31490697

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{11447}}^1$

素因数の和:11588

約数の個数: 16

約数和(自身を含む): 48356352

約数和(自身を除く): 16865655

約数列:

[1, 3, 7, 21, 131, 393, 917, 2751, 11447, 34341, 80129, 240387, 1499557, 4498671, 10496899, 31490697]

約数ペア:

[(1, 31490697), (3, 10496899), (7, 4498671), (21, 1499557), (131, 240387), (393, 80129), (917, 34341), (2751, 11447)]