157224555

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{421}}^1$

素因数の和:668

約数の個数: 48

約数和(自身を含む): 280970976

約数和(自身を除く): 123746421

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 193, 215, 387, 421, 579, 645, 965, 1263, 1737, 1935, 2105, 2895, 3789, 6315, 8299, 8685, 18103, 18945, 24897, 41495, 54309, 74691, 81253, 90515, 124485, 162927, 243759, 271545, 373455, 406265, 731277, 814635, 1218795, 3493879, 3656385, 10481637, 17469395, 31444911, 52408185, 157224555]

約数ペア:

[(1, 157224555), (3, 52408185), (5, 31444911), (9, 17469395), (15, 10481637), (43, 3656385), (45, 3493879), (129, 1218795), (193, 814635), (215, 731277), (387, 406265), (421, 373455), (579, 271545), (645, 243759), (965, 162927), (1263, 124485), (1737, 90515), (1935, 81253), (2105, 74691), (2895, 54309), (3789, 41495), (6315, 24897), (8299, 18945), (8685, 18103)]