221338419

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{139999}}^1$

素因数の和:140050

約数の個数: 16

約数和(自身を含む): 322560000

約数和(自身を除く): 101221581

約数列:

[1, 3, 17, 31, 51, 93, 527, 1581, 139999, 419997, 2379983, 4339969, 7139949, 13019907, 73779473, 221338419]

約数ペア:

[(1, 221338419), (3, 73779473), (17, 13019907), (31, 7139949), (51, 4339969), (93, 2379983), (527, 419997), (1581, 139999)]