8720907

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{167}}^1$

素因数の和:299

約数の個数: 24

約数和(自身を含む): 12789504

約数和(自身を除く): 4068597

約数列:

[1, 3, 13, 39, 103, 167, 169, 309, 501, 507, 1339, 2171, 4017, 6513, 17201, 17407, 28223, 51603, 52221, 84669, 223613, 670839, 2906969, 8720907]

約数ペア:

[(1, 8720907), (3, 2906969), (13, 670839), (39, 223613), (103, 84669), (167, 52221), (169, 51603), (309, 28223), (501, 17407), (507, 17201), (1339, 6513), (2171, 4017)]