39908757

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 62346240

約数和(自身を除く): 22437483

約数列:

[1, 3, 7, 21, 89, 131, 163, 267, 393, 489, 623, 917, 1141, 1869, 2751, 3423, 11659, 14507, 21353, 34977, 43521, 64059, 81613, 101549, 149471, 244839, 304647, 448413, 1900417, 5701251, 13302919, 39908757]

約数ペア:

[(1, 39908757), (3, 13302919), (7, 5701251), (21, 1900417), (89, 448413), (131, 304647), (163, 244839), (267, 149471), (393, 101549), (489, 81613), (623, 64059), (917, 43521), (1141, 34977), (1869, 21353), (2751, 14507), (3423, 11659)]