61357779

素因数分解:

$3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{7109}}^1$

素因数の和:7259

約数の個数: 24

約数和(自身を含む): 102042720

約数和(自身を除く): 40684941

約数列:

[1, 3, 7, 9, 21, 63, 137, 411, 959, 1233, 2877, 7109, 8631, 21327, 49763, 63981, 149289, 447867, 973933, 2921799, 6817531, 8765397, 20452593, 61357779]

約数ペア:

[(1, 61357779), (3, 20452593), (7, 8765397), (9, 6817531), (21, 2921799), (63, 973933), (137, 447867), (411, 149289), (959, 63981), (1233, 49763), (2877, 21327), (7109, 8631)]