12121431

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{7907}}^1$

素因数の和:7990

約数の個数: 16

約数和(自身を含む): 18726144

約数和(自身を除く): 6604713

約数列:

[1, 3, 7, 21, 73, 219, 511, 1533, 7907, 23721, 55349, 166047, 577211, 1731633, 4040477, 12121431]

約数ペア:

[(1, 12121431), (3, 4040477), (7, 1731633), (21, 577211), (73, 166047), (219, 55349), (511, 23721), (1533, 7907)]