208537875

素因数分解:

$3^3\times 5^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1$

素因数の和:148

約数の個数: 192

約数和(自身を含む): 487992960

約数和(自身を除く): 279455085

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 25, 27, 35, 39, 45, 49, 63, 65, 75, 91, 97, 105, 117, 125, 135, 147, 175, 189, 195, 225, 245, 273, 291, 315, 325, 351, 375, 441, 455, 485, 525, 585, 637, 675, 679, 735, 819, 873, 875, 945, 975, 1125, 1225, 1261, 1323, 1365, 1455, 1575, 1625, 1755, 1911, 2037, 2205, 2275, 2425, 2457, 2619, 2625, 2925, 3185, 3375, 3395, 3675, 3783, 4095, 4365, 4725, 4753, 4875, 5733, 6111, 6125, 6305, 6615, 6825, 7275, 7875, 8775, 8827, 9555, 10185, 11025, 11349, 11375, 12125, 12285, 13095, 14259, 14625, 15925, 16975, 17199, 18333, 18375, 18915, 20475, 21825, 23625, 23765, 26481, 28665, 30555, 31525, 33075, 34047, 34125, 36375, 42777, 43875, 44135, 47775, 50925, 55125, 56745, 61425, 61789, 65475, 71295, 79443, 79625, 84875, 85995, 91665, 94575, 102375, 109125, 118825, 128331, 132405, 143325, 152775, 157625, 165375, 170235, 185367, 213885, 220675, 238329, 238875, 254625, 283725, 307125, 308945, 327375, 356475, 397215, 429975, 458325, 472875, 556101, 594125, 641655, 662025, 716625, 763875, 851175, 926835, 1069425, 1103375, 1191645, 1418625, 1544725, 1668303, 1782375, 1986075, 2149875, 2291625, 2780505, 3208275, 3310125, 4255875, 4634175, 5347125, 5958225, 7723625, 8341515, 9930375, 13902525, 16041375, 23170875, 29791125, 41707575, 69512625, 208537875]

約数ペア:

[(1, 208537875), (3, 69512625), (5, 41707575), (7, 29791125), (9, 23170875), (13, 16041375), (15, 13902525), (21, 9930375), (25, 8341515), (27, 7723625), (35, 5958225), (39, 5347125), (45, 4634175), (49, 4255875), (63, 3310125), (65, 3208275), (75, 2780505), (91, 2291625), (97, 2149875), (105, 1986075), (117, 1782375), (125, 1668303), (135, 1544725), (147, 1418625), (175, 1191645), (189, 1103375), (195, 1069425), (225, 926835), (245, 851175), (273, 763875), (291, 716625), (315, 662025), (325, 641655), (351, 594125), (375, 556101), (441, 472875), (455, 458325), (485, 429975), (525, 397215), (585, 356475), (637, 327375), (675, 308945), (679, 307125), (735, 283725), (819, 254625), (873, 238875), (875, 238329), (945, 220675), (975, 213885), (1125, 185367), (1225, 170235), (1261, 165375), (1323, 157625), (1365, 152775), (1455, 143325), (1575, 132405), (1625, 128331), (1755, 118825), (1911, 109125), (2037, 102375), (2205, 94575), (2275, 91665), (2425, 85995), (2457, 84875), (2619, 79625), (2625, 79443), (2925, 71295), (3185, 65475), (3375, 61789), (3395, 61425), (3675, 56745), (3783, 55125), (4095, 50925), (4365, 47775), (4725, 44135), (4753, 43875), (4875, 42777), (5733, 36375), (6111, 34125), (6125, 34047), (6305, 33075), (6615, 31525), (6825, 30555), (7275, 28665), (7875, 26481), (8775, 23765), (8827, 23625), (9555, 21825), (10185, 20475), (11025, 18915), (11349, 18375), (11375, 18333), (12125, 17199), (12285, 16975), (13095, 15925), (14259, 14625)]