1289925

素因数分解:

$3^4\times 5^2\times 7^2\times {\mathrm{13}}^1$

素因数の和:49

約数の個数: 90

約数和(自身を含む): 2993298

約数和(自身を除く): 1703373

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 25, 27, 35, 39, 45, 49, 63, 65, 75, 81, 91, 105, 117, 135, 147, 175, 189, 195, 225, 245, 273, 315, 325, 351, 405, 441, 455, 525, 567, 585, 637, 675, 735, 819, 945, 975, 1053, 1225, 1323, 1365, 1575, 1755, 1911, 2025, 2205, 2275, 2457, 2835, 2925, 3185, 3675, 3969, 4095, 4725, 5265, 5733, 6615, 6825, 7371, 8775, 9555, 11025, 12285, 14175, 15925, 17199, 19845, 20475, 26325, 28665, 33075, 36855, 47775, 51597, 61425, 85995, 99225, 143325, 184275, 257985, 429975, 1289925]

約数ペア:

[(1, 1289925), (3, 429975), (5, 257985), (7, 184275), (9, 143325), (13, 99225), (15, 85995), (21, 61425), (25, 51597), (27, 47775), (35, 36855), (39, 33075), (45, 28665), (49, 26325), (63, 20475), (65, 19845), (75, 17199), (81, 15925), (91, 14175), (105, 12285), (117, 11025), (135, 9555), (147, 8775), (175, 7371), (189, 6825), (195, 6615), (225, 5733), (245, 5265), (273, 4725), (315, 4095), (325, 3969), (351, 3675), (405, 3185), (441, 2925), (455, 2835), (525, 2457), (567, 2275), (585, 2205), (637, 2025), (675, 1911), (735, 1755), (819, 1575), (945, 1365), (975, 1323), (1053, 1225)]