220485885

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{207029}}^1$

素因数の和:207108

約数の個数: 16

約数和(自身を含む): 357747840

約数和(自身を除く): 137261955

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 207029, 621087, 1035145, 3105435, 14699059, 44097177, 73495295, 220485885]

約数ペア:

[(1, 220485885), (3, 73495295), (5, 44097177), (15, 14699059), (71, 3105435), (213, 1035145), (355, 621087), (1065, 207029)]