287417013

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{557}}^1$

素因数の和:805

約数の個数: 32

約数和(自身を含む): 420723072

約数和(自身を除く): 133306059

約数列:

[1, 3, 13, 39, 101, 131, 303, 393, 557, 1313, 1671, 1703, 3939, 5109, 7241, 13231, 21723, 39693, 56257, 72967, 168771, 172003, 218901, 516009, 731341, 948571, 2194023, 2845713, 7369667, 22109001, 95805671, 287417013]

約数ペア:

[(1, 287417013), (3, 95805671), (13, 22109001), (39, 7369667), (101, 2845713), (131, 2194023), (303, 948571), (393, 731341), (557, 516009), (1313, 218901), (1671, 172003), (1703, 168771), (3939, 72967), (5109, 56257), (7241, 39693), (13231, 21723)]