4006821

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1129}}^1$

素因数の和:1165

約数の個数: 24

約数和(自身を含む): 6617280

約数和(自身を除く): 2610459

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 273, 507, 1129, 1183, 3387, 3549, 7903, 14677, 23709, 44031, 102739, 190801, 308217, 572403, 1335607, 4006821]

約数ペア:

[(1, 4006821), (3, 1335607), (7, 572403), (13, 308217), (21, 190801), (39, 102739), (91, 44031), (169, 23709), (273, 14677), (507, 7903), (1129, 3549), (1183, 3387)]