10890855

素因数分解:

$3^4\times 5^1\times {\mathrm{26891}}^1$

素因数の和:26908

約数の個数: 20

約数和(自身を含む): 19523592

約数和(自身を除く): 8632737

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 26891, 80673, 134455, 242019, 403365, 726057, 1210095, 2178171, 3630285, 10890855]

約数ペア:

[(1, 10890855), (3, 3630285), (5, 2178171), (9, 1210095), (15, 726057), (27, 403365), (45, 242019), (81, 134455), (135, 80673), (405, 26891)]