68380221

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{13183}}^1$

素因数の和:13225

約数の個数: 32

約数和(自身を含む): 118128640

約数和(自身を除く): 49748419

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 5187, 13183, 39549, 92281, 171379, 250477, 276843, 514137, 751431, 1199653, 1753339, 3256201, 3598959, 5260017, 9768603, 22793407, 68380221]

約数ペア:

[(1, 68380221), (3, 22793407), (7, 9768603), (13, 5260017), (19, 3598959), (21, 3256201), (39, 1753339), (57, 1199653), (91, 751431), (133, 514137), (247, 276843), (273, 250477), (399, 171379), (741, 92281), (1729, 39549), (5187, 13183)]