81565575

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:106

約数の個数: 192

約数和(自身を含む): 189987840

約数和(自身を除く): 108422265

約数列:

[1, 3, 5, 7, 13, 15, 17, 19, 21, 25, 35, 37, 39, 51, 57, 65, 75, 85, 91, 95, 105, 111, 119, 133, 175, 185, 195, 221, 247, 255, 259, 273, 285, 323, 325, 357, 399, 425, 455, 475, 481, 525, 555, 595, 629, 663, 665, 703, 741, 777, 925, 969, 975, 1105, 1235, 1275, 1295, 1365, 1425, 1443, 1547, 1615, 1729, 1785, 1887, 1995, 2109, 2261, 2275, 2405, 2775, 2975, 3145, 3315, 3325, 3367, 3515, 3705, 3885, 4199, 4403, 4641, 4845, 4921, 5187, 5525, 6175, 6475, 6783, 6825, 7215, 7735, 8075, 8177, 8645, 8925, 9139, 9435, 9975, 10101, 10545, 11305, 11951, 12025, 12597, 13209, 14763, 15725, 16575, 16835, 17575, 18525, 19425, 20995, 22015, 23205, 24225, 24531, 24605, 25935, 27417, 29393, 33915, 35853, 36075, 38675, 40885, 43225, 45695, 47175, 50505, 52725, 56525, 57239, 59755, 62985, 63973, 66045, 73815, 83657, 84175, 88179, 104975, 110075, 116025, 122655, 123025, 129675, 137085, 146965, 155363, 169575, 171717, 179265, 191919, 204425, 228475, 250971, 252525, 286195, 298775, 314925, 319865, 330225, 369075, 418285, 440895, 466089, 613275, 685425, 734825, 776815, 858585, 896325, 959595, 1087541, 1254855, 1430975, 1599325, 2091425, 2204475, 2330445, 3262623, 3884075, 4292925, 4797975, 5437705, 6274275, 11652225, 16313115, 27188525, 81565575]

約数ペア:

[(1, 81565575), (3, 27188525), (5, 16313115), (7, 11652225), (13, 6274275), (15, 5437705), (17, 4797975), (19, 4292925), (21, 3884075), (25, 3262623), (35, 2330445), (37, 2204475), (39, 2091425), (51, 1599325), (57, 1430975), (65, 1254855), (75, 1087541), (85, 959595), (91, 896325), (95, 858585), (105, 776815), (111, 734825), (119, 685425), (133, 613275), (175, 466089), (185, 440895), (195, 418285), (221, 369075), (247, 330225), (255, 319865), (259, 314925), (273, 298775), (285, 286195), (323, 252525), (325, 250971), (357, 228475), (399, 204425), (425, 191919), (455, 179265), (475, 171717), (481, 169575), (525, 155363), (555, 146965), (595, 137085), (629, 129675), (663, 123025), (665, 122655), (703, 116025), (741, 110075), (777, 104975), (925, 88179), (969, 84175), (975, 83657), (1105, 73815), (1235, 66045), (1275, 63973), (1295, 62985), (1365, 59755), (1425, 57239), (1443, 56525), (1547, 52725), (1615, 50505), (1729, 47175), (1785, 45695), (1887, 43225), (1995, 40885), (2109, 38675), (2261, 36075), (2275, 35853), (2405, 33915), (2775, 29393), (2975, 27417), (3145, 25935), (3315, 24605), (3325, 24531), (3367, 24225), (3515, 23205), (3705, 22015), (3885, 20995), (4199, 19425), (4403, 18525), (4641, 17575), (4845, 16835), (4921, 16575), (5187, 15725), (5525, 14763), (6175, 13209), (6475, 12597), (6783, 12025), (6825, 11951), (7215, 11305), (7735, 10545), (8075, 10101), (8177, 9975), (8645, 9435), (8925, 9139)]