68863815

素因数分解:

$3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{25087}}^1$

素因数の和:25159

約数の個数: 24

約数和(自身を含む): 121325568

約数和(自身を除く): 52461753

約数列:

[1, 3, 5, 9, 15, 45, 61, 183, 305, 549, 915, 2745, 25087, 75261, 125435, 225783, 376305, 1128915, 1530307, 4590921, 7651535, 13772763, 22954605, 68863815]

約数ペア:

[(1, 68863815), (3, 22954605), (5, 13772763), (9, 7651535), (15, 4590921), (45, 1530307), (61, 1128915), (183, 376305), (305, 225783), (549, 125435), (915, 75261), (2745, 25087)]