778889655

素因数分解:

$3^3\times 5^1\times {\mathrm{5769553}}^1$

素因数の和:5769567

約数の個数: 16

約数和(自身を含む): 1384692960

約数和(自身を除く): 605803305

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 5769553, 17308659, 28847765, 51925977, 86543295, 155777931, 259629885, 778889655]

約数ペア:

[(1, 778889655), (3, 259629885), (5, 155777931), (9, 86543295), (15, 51925977), (27, 28847765), (45, 17308659), (135, 5769553)]