31967481

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6163}}^1$

素因数の和:6205

約数の個数: 32

約数和(自身を含む): 55229440

約数和(自身を除く): 23261959

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 5187, 6163, 18489, 43141, 80119, 117097, 129423, 240357, 351291, 560833, 819679, 1522261, 1682499, 2459037, 4566783, 10655827, 31967481]

約数ペア:

[(1, 31967481), (3, 10655827), (7, 4566783), (13, 2459037), (19, 1682499), (21, 1522261), (39, 819679), (57, 560833), (91, 351291), (133, 240357), (247, 129423), (273, 117097), (399, 80119), (741, 43141), (1729, 18489), (5187, 6163)]