289320381

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{199669}}^1$

素因数の和:199705

約数の個数: 24

約数和(自身を含む): 498376320

約数和(自身を除く): 209055939

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 199669, 599007, 1397683, 1797021, 4193049, 4592387, 12579147, 13777161, 32146709, 41331483, 96440127, 289320381]

約数ペア:

[(1, 289320381), (3, 96440127), (7, 41331483), (9, 32146709), (21, 13777161), (23, 12579147), (63, 4592387), (69, 4193049), (161, 1797021), (207, 1397683), (483, 599007), (1449, 199669)]