15489649

素因数分解:

$7^1\times {\mathrm{23}}^2\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:189

約数の個数: 24

約数和(自身を含む): 19111680

約数和(自身を除く): 3622031

約数列:

[1, 7, 23, 47, 89, 161, 329, 529, 623, 1081, 2047, 3703, 4183, 7567, 14329, 24863, 29281, 47081, 96209, 174041, 329567, 673463, 2212807, 15489649]

約数ペア:

[(1, 15489649), (7, 2212807), (23, 673463), (47, 329567), (89, 174041), (161, 96209), (329, 47081), (529, 29281), (623, 24863), (1081, 14329), (2047, 7567), (3703, 4183)]