220838946531

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{553481069}}^1$

素因数の和:553481098

約数の個数: 16

約数和(自身を含む): 354227884800

約数和(自身を除く): 133388938269

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 553481069, 1660443207, 3874367483, 10516140311, 11623102449, 31548420933, 73612982177, 220838946531]

約数ペア:

[(1, 220838946531), (3, 73612982177), (7, 31548420933), (19, 11623102449), (21, 10516140311), (57, 3874367483), (133, 1660443207), (399, 553481069)]