15580341

素因数分解:

$3^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1109}}^1$

素因数の和:1345

約数の個数: 24

約数和(自身を含む): 25858560

約数和(自身を除く): 10278219

約数列:

[1, 3, 7, 9, 21, 63, 223, 669, 1109, 1561, 2007, 3327, 4683, 7763, 9981, 14049, 23289, 69867, 247307, 741921, 1731149, 2225763, 5193447, 15580341]

約数ペア:

[(1, 15580341), (3, 5193447), (7, 2225763), (9, 1731149), (21, 741921), (63, 247307), (223, 69867), (669, 23289), (1109, 14049), (1561, 9981), (2007, 7763), (3327, 4683)]