13668849

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{21391}}^1$

素因数の和:21468

約数の個数: 12

約数和(自身を含む): 20022912

約数和(自身を除く): 6354063

約数列:

[1, 3, 9, 71, 213, 639, 21391, 64173, 192519, 1518761, 4556283, 13668849]

約数ペア:

[(1, 13668849), (3, 4556283), (9, 1518761), (71, 192519), (213, 64173), (639, 21391)]