12143205

素因数分解:

$3^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{601}}^1$

素因数の和:1061

約数の個数: 24

約数和(自身を含む): 21130200

約数和(自身を除く): 8986995

約数列:

[1, 3, 5, 9, 15, 45, 449, 601, 1347, 1803, 2245, 3005, 4041, 5409, 6735, 9015, 20205, 27045, 269849, 809547, 1349245, 2428641, 4047735, 12143205]

約数ペア:

[(1, 12143205), (3, 4047735), (5, 2428641), (9, 1349245), (15, 809547), (45, 269849), (449, 27045), (601, 20205), (1347, 9015), (1803, 6735), (2245, 5409), (3005, 4041)]