15857275

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:164

約数の個数: 48

約数和(自身を含む): 24125440

約数和(自身を除く): 8268165

約数列:

[1, 5, 7, 25, 31, 35, 37, 79, 155, 175, 185, 217, 259, 395, 553, 775, 925, 1085, 1147, 1295, 1975, 2449, 2765, 2923, 5425, 5735, 6475, 8029, 12245, 13825, 14615, 17143, 20461, 28675, 40145, 61225, 73075, 85715, 90613, 102305, 200725, 428575, 453065, 511525, 634291, 2265325, 3171455, 15857275]

約数ペア:

[(1, 15857275), (5, 3171455), (7, 2265325), (25, 634291), (31, 511525), (35, 453065), (37, 428575), (79, 200725), (155, 102305), (175, 90613), (185, 85715), (217, 73075), (259, 61225), (395, 40145), (553, 28675), (775, 20461), (925, 17143), (1085, 14615), (1147, 13825), (1295, 12245), (1975, 8029), (2449, 6475), (2765, 5735), (2923, 5425)]