1531341

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{223}}^1$

素因数の和:345

約数の個数: 24

約数和(自身を含む): 2562560

約数和(自身を除く): 1031219

約数列:

[1, 3, 7, 9, 21, 63, 109, 223, 327, 669, 763, 981, 1561, 2007, 2289, 4683, 6867, 14049, 24307, 72921, 170149, 218763, 510447, 1531341]

約数ペア:

[(1, 1531341), (3, 510447), (7, 218763), (9, 170149), (21, 72921), (63, 24307), (109, 14049), (223, 6867), (327, 4683), (669, 2289), (763, 2007), (981, 1561)]