12186855

素因数分解:

$3^4\times 5^1\times {\mathrm{30091}}^1$

素因数の和:30108

約数の個数: 20

約数和(自身を含む): 21846792

約数和(自身を除く): 9659937

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 30091, 90273, 150455, 270819, 451365, 812457, 1354095, 2437371, 4062285, 12186855]

約数ペア:

[(1, 12186855), (3, 4062285), (5, 2437371), (9, 1354095), (15, 812457), (27, 451365), (45, 270819), (81, 150455), (135, 90273), (405, 30091)]