16406481

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3163}}^1$

素因数の和:3205

約数の個数: 32

約数和(自身を含む): 28349440

約数和(自身を除く): 11942959

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 3163, 5187, 9489, 22141, 41119, 60097, 66423, 123357, 180291, 287833, 420679, 781261, 863499, 1262037, 2343783, 5468827, 16406481]

約数ペア:

[(1, 16406481), (3, 5468827), (7, 2343783), (13, 1262037), (19, 863499), (21, 781261), (39, 420679), (57, 287833), (91, 180291), (133, 123357), (247, 66423), (273, 60097), (399, 41119), (741, 22141), (1729, 9489), (3163, 5187)]