80790615

素因数分解:

$3^4\times 5^1\times {\mathrm{199483}}^1$

素因数の和:199500

約数の個数: 20

約数和(自身を含む): 144825384

約数和(自身を除く): 64034769

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 199483, 598449, 997415, 1795347, 2992245, 5386041, 8976735, 16158123, 26930205, 80790615]

約数ペア:

[(1, 80790615), (3, 26930205), (5, 16158123), (9, 8976735), (15, 5386041), (27, 2992245), (45, 1795347), (81, 997415), (135, 598449), (405, 199483)]