219630519

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{55843}}^1$

素因数の和:55891

約数の個数: 24

約数和(自身を含む): 348466560

約数和(自身を除く): 128836041

約数列:

[1, 3, 9, 19, 23, 57, 69, 171, 207, 437, 1311, 3933, 55843, 167529, 502587, 1061017, 1284389, 3183051, 3853167, 9549153, 11559501, 24403391, 73210173, 219630519]

約数ペア:

[(1, 219630519), (3, 73210173), (9, 24403391), (19, 11559501), (23, 9549153), (57, 3853167), (69, 3183051), (171, 1284389), (207, 1061017), (437, 502587), (1311, 167529), (3933, 55843)]