30721854

素因数分解:

$2^1\times 3^1\times {\mathrm{181}}^1\times {\mathrm{28289}}^1$

素因数の和:28475

約数の個数: 16

約数和(自身を含む): 61785360

約数和(自身を除く): 31063506

約数列:

[1, 2, 3, 6, 181, 362, 543, 1086, 28289, 56578, 84867, 169734, 5120309, 10240618, 15360927, 30721854]

約数ペア:

[(1, 30721854), (2, 15360927), (3, 10240618), (6, 5120309), (181, 169734), (362, 84867), (543, 56578), (1086, 28289)]