28681407

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{587}}^1$

素因数の和:743

約数の個数: 24

約数和(自身を含む): 42653520

約数和(自身を除く): 13972113

約数列:

[1, 3, 9, 61, 89, 183, 267, 549, 587, 801, 1761, 5283, 5429, 16287, 35807, 48861, 52243, 107421, 156729, 322263, 470187, 3186823, 9560469, 28681407]

約数ペア:

[(1, 28681407), (3, 9560469), (9, 3186823), (61, 470187), (89, 322263), (183, 156729), (267, 107421), (549, 52243), (587, 48861), (801, 35807), (1761, 16287), (5283, 5429)]