31547919

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:315

約数の個数: 32

約数和(自身を含む): 46872000

約数和(自身を除く): 15324081

約数列:

[1, 3, 13, 39, 61, 89, 149, 183, 267, 447, 793, 1157, 1937, 2379, 3471, 5429, 5811, 9089, 13261, 16287, 27267, 39783, 70577, 118157, 172393, 211731, 354471, 517179, 808921, 2426763, 10515973, 31547919]

約数ペア:

[(1, 31547919), (3, 10515973), (13, 2426763), (39, 808921), (61, 517179), (89, 354471), (149, 211731), (183, 172393), (267, 118157), (447, 70577), (793, 39783), (1157, 27267), (1937, 16287), (2379, 13261), (3471, 9089), (5429, 5811)]