9978405

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{359}}^1$

素因数の和:493

約数の個数: 32

約数和(自身を含む): 17107200

約数和(自身を除く): 7128795

約数列:

[1, 3, 5, 15, 17, 51, 85, 109, 255, 327, 359, 545, 1077, 1635, 1795, 1853, 5385, 5559, 6103, 9265, 18309, 27795, 30515, 39131, 91545, 117393, 195655, 586965, 665227, 1995681, 3326135, 9978405]

約数ペア:

[(1, 9978405), (3, 3326135), (5, 1995681), (15, 665227), (17, 586965), (51, 195655), (85, 117393), (109, 91545), (255, 39131), (327, 30515), (359, 27795), (545, 18309), (1077, 9265), (1635, 6103), (1795, 5559), (1853, 5385)]