1640647635

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9943319}}^1$

素因数の和:9943338

約数の個数: 16

約数和(自身を含む): 2863676160

約数和(自身を除く): 1223028525

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 9943319, 29829957, 49716595, 109376509, 149149785, 328129527, 546882545, 1640647635]

約数ペア:

[(1, 1640647635), (3, 546882545), (5, 328129527), (11, 149149785), (15, 109376509), (33, 49716595), (55, 29829957), (165, 9943319)]