64920165

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{70951}}^1$

素因数の和:71020

約数の個数: 16

約数和(自身を含む): 105576576

約数和(自身を除く): 40656411

約数列:

[1, 3, 5, 15, 61, 183, 305, 915, 70951, 212853, 354755, 1064265, 4328011, 12984033, 21640055, 64920165]

約数ペア:

[(1, 64920165), (3, 21640055), (5, 12984033), (15, 4328011), (61, 1064265), (183, 354755), (305, 212853), (915, 70951)]