205738239

素因数分解:

$3^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{43933}}^1$

素因数の和:44166

約数の個数: 16

約数和(自身を含む): 314918912

約数和(自身を除く): 109180673

約数列:

[1, 3, 7, 21, 223, 669, 1561, 4683, 43933, 131799, 307531, 922593, 9797059, 29391177, 68579413, 205738239]

約数ペア:

[(1, 205738239), (3, 68579413), (7, 29391177), (21, 9797059), (223, 922593), (669, 307531), (1561, 131799), (4683, 43933)]