28484631

素因数分解:

$3^2\times 7^2\times {\mathrm{64591}}^1$

素因数の和:64611

約数の個数: 18

約数和(自身を含む): 47862672

約数和(自身を除く): 19378041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 64591, 193773, 452137, 581319, 1356411, 3164959, 4069233, 9494877, 28484631]

約数ペア:

[(1, 28484631), (3, 9494877), (7, 4069233), (9, 3164959), (21, 1356411), (49, 581319), (63, 452137), (147, 193773), (441, 64591)]