845481

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1$

素因数の和:205

約数の個数: 32

約数和(自身を含む): 1469440

約数和(自身を除く): 623959

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 163, 247, 273, 399, 489, 741, 1141, 1729, 2119, 3097, 3423, 5187, 6357, 9291, 14833, 21679, 40261, 44499, 65037, 120783, 281827, 845481]

約数ペア:

[(1, 845481), (3, 281827), (7, 120783), (13, 65037), (19, 44499), (21, 40261), (39, 21679), (57, 14833), (91, 9291), (133, 6357), (163, 5187), (247, 3423), (273, 3097), (399, 2119), (489, 1729), (741, 1141)]