25712505

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1$

素因数の和:77

約数の個数: 144

約数和(自身を含む): 60082560

約数和(自身を除く): 34370055

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 23, 27, 35, 39, 45, 49, 63, 65, 69, 91, 105, 115, 117, 135, 147, 161, 169, 189, 195, 207, 245, 273, 299, 315, 345, 351, 441, 455, 483, 507, 585, 621, 637, 735, 805, 819, 845, 897, 945, 1035, 1127, 1183, 1323, 1365, 1449, 1495, 1521, 1755, 1911, 2093, 2205, 2415, 2457, 2535, 2691, 3105, 3185, 3381, 3549, 3887, 4095, 4347, 4485, 4563, 5635, 5733, 5915, 6279, 6615, 7245, 7605, 8073, 8281, 9555, 10143, 10465, 10647, 11661, 12285, 13455, 14651, 16905, 17199, 17745, 18837, 19435, 21735, 22815, 24843, 27209, 28665, 30429, 31395, 31941, 34983, 40365, 41405, 43953, 50715, 53235, 56511, 58305, 73255, 74529, 81627, 85995, 94185, 104949, 124215, 131859, 136045, 152145, 159705, 174915, 190463, 219765, 223587, 244881, 282555, 372645, 395577, 408135, 524745, 571389, 659295, 734643, 952315, 1117935, 1224405, 1714167, 1977885, 2856945, 3673215, 5142501, 8570835, 25712505]

約数ペア:

[(1, 25712505), (3, 8570835), (5, 5142501), (7, 3673215), (9, 2856945), (13, 1977885), (15, 1714167), (21, 1224405), (23, 1117935), (27, 952315), (35, 734643), (39, 659295), (45, 571389), (49, 524745), (63, 408135), (65, 395577), (69, 372645), (91, 282555), (105, 244881), (115, 223587), (117, 219765), (135, 190463), (147, 174915), (161, 159705), (169, 152145), (189, 136045), (195, 131859), (207, 124215), (245, 104949), (273, 94185), (299, 85995), (315, 81627), (345, 74529), (351, 73255), (441, 58305), (455, 56511), (483, 53235), (507, 50715), (585, 43953), (621, 41405), (637, 40365), (735, 34983), (805, 31941), (819, 31395), (845, 30429), (897, 28665), (945, 27209), (1035, 24843), (1127, 22815), (1183, 21735), (1323, 19435), (1365, 18837), (1449, 17745), (1495, 17199), (1521, 16905), (1755, 14651), (1911, 13455), (2093, 12285), (2205, 11661), (2415, 10647), (2457, 10465), (2535, 10143), (2691, 9555), (3105, 8281), (3185, 8073), (3381, 7605), (3549, 7245), (3887, 6615), (4095, 6279), (4347, 5915), (4485, 5733), (4563, 5635)]