64117989

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{28843}}^1$

素因数の和:28881

約数の個数: 24

約数和(自身を含む): 104992160

約数和(自身を除く): 40874171

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 28843, 86529, 259587, 374959, 548017, 1124877, 1644051, 3374631, 4932153, 7124221, 21372663, 64117989]

約数ペア:

[(1, 64117989), (3, 21372663), (9, 7124221), (13, 4932153), (19, 3374631), (39, 1644051), (57, 1124877), (117, 548017), (171, 374959), (247, 259587), (741, 86529), (2223, 28843)]