72187311

素因数分解:

$3^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{7001}}^1$

素因数の和:7502

約数の個数: 16

約数和(自身を含む): 110239488

約数和(自身を除く): 38052177

約数列:

[1, 3, 7, 21, 491, 1473, 3437, 7001, 10311, 21003, 49007, 147021, 3437491, 10312473, 24062437, 72187311]

約数ペア:

[(1, 72187311), (3, 24062437), (7, 10312473), (21, 3437491), (491, 147021), (1473, 49007), (3437, 21003), (7001, 10311)]