15553989

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{8269}}^1$

素因数の和:8305

約数の個数: 24

約数和(自身を含む): 25802400

約数和(自身を除く): 10248411

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881, 8269, 24807, 74421, 90959, 157111, 272877, 471333, 818631, 1413999, 1728221, 5184663, 15553989]

約数ペア:

[(1, 15553989), (3, 5184663), (9, 1728221), (11, 1413999), (19, 818631), (33, 471333), (57, 272877), (99, 157111), (171, 90959), (209, 74421), (627, 24807), (1881, 8269)]