7245855

素因数分解:

$3^4\times 5^1\times {\mathrm{17891}}^1$

素因数の和:17908

約数の個数: 20

約数和(自身を含む): 12989592

約数和(自身を除く): 5743737

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 17891, 53673, 89455, 161019, 268365, 483057, 805095, 1449171, 2415285, 7245855]

約数ペア:

[(1, 7245855), (3, 2415285), (5, 1449171), (9, 805095), (15, 483057), (27, 268365), (45, 161019), (81, 89455), (135, 53673), (405, 17891)]