87243275

素因数分解:

$5^2\times 7^2\times {\mathrm{229}}^1\times {\mathrm{311}}^1$

素因数の和:564

約数の個数: 36

約数和(自身を含む): 126799920

約数和(自身を除く): 39556645

約数列:

[1, 5, 7, 25, 35, 49, 175, 229, 245, 311, 1145, 1225, 1555, 1603, 2177, 5725, 7775, 8015, 10885, 11221, 15239, 40075, 54425, 56105, 71219, 76195, 280525, 356095, 380975, 498533, 1780475, 2492665, 3489731, 12463325, 17448655, 87243275]

約数ペア:

[(1, 87243275), (5, 17448655), (7, 12463325), (25, 3489731), (35, 2492665), (49, 1780475), (175, 498533), (229, 380975), (245, 356095), (311, 280525), (1145, 76195), (1225, 71219), (1555, 56105), (1603, 54425), (2177, 40075), (5725, 15239), (7775, 11221), (8015, 10885)]