9878765

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{421}}^1$

素因数の和:477

約数の個数: 24

約数和(自身を含む): 13505688

約数和(自身を除く): 3626923

約数列:

[1, 5, 13, 19, 65, 95, 247, 361, 421, 1235, 1805, 2105, 4693, 5473, 7999, 23465, 27365, 39995, 103987, 151981, 519935, 759905, 1975753, 9878765]

約数ペア:

[(1, 9878765), (5, 1975753), (13, 759905), (19, 519935), (65, 151981), (95, 103987), (247, 39995), (361, 27365), (421, 23465), (1235, 7999), (1805, 5473), (2105, 4693)]