17900421

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{77491}}^1$

素因数の和:77512

約数の個数: 16

約数和(自身を含む): 29756928

約数和(自身を除く): 11856507

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 77491, 232473, 542437, 852401, 1627311, 2557203, 5966807, 17900421]

約数ペア:

[(1, 17900421), (3, 5966807), (7, 2557203), (11, 1627311), (21, 852401), (33, 542437), (77, 232473), (231, 77491)]