2612655

素因数分解:

$3^4\times 5^1\times {\mathrm{6451}}^1$

素因数の和:6468

約数の個数: 20

約数和(自身を含む): 4684152

約数和(自身を除く): 2071497

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 6451, 19353, 32255, 58059, 96765, 174177, 290295, 522531, 870885, 2612655]

約数ペア:

[(1, 2612655), (3, 870885), (5, 522531), (9, 290295), (15, 174177), (27, 96765), (45, 58059), (81, 32255), (135, 19353), (405, 6451)]