289945341

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{42223}}^1$

素因数の和:42345

約数の個数: 24

約数和(自身を含む): 483042560

約数和(自身を除く): 193097219

約数列:

[1, 3, 7, 9, 21, 63, 109, 327, 763, 981, 2289, 6867, 42223, 126669, 295561, 380007, 886683, 2660049, 4602307, 13806921, 32216149, 41420763, 96648447, 289945341]

約数ペア:

[(1, 289945341), (3, 96648447), (7, 41420763), (9, 32216149), (21, 13806921), (63, 4602307), (109, 2660049), (327, 886683), (763, 380007), (981, 295561), (2289, 126669), (6867, 42223)]