645427731

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{1273033}}^1$

素因数の和:1273062

約数の個数: 12

約数和(自身を含む): 931860888

約数和(自身を除く): 286433157

約数列:

[1, 3, 13, 39, 169, 507, 1273033, 3819099, 16549429, 49648287, 215142577, 645427731]

約数ペア:

[(1, 645427731), (3, 215142577), (13, 49648287), (39, 16549429), (169, 3819099), (507, 1273033)]