31981293

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{3593}}^1$

素因数の和:3665

約数の個数: 24

約数和(自身を含む): 49338432

約数和(自身を除く): 17357139

約数列:

[1, 3, 9, 23, 43, 69, 129, 207, 387, 989, 2967, 3593, 8901, 10779, 32337, 82639, 154499, 247917, 463497, 743751, 1390491, 3553477, 10660431, 31981293]

約数ペア:

[(1, 31981293), (3, 10660431), (9, 3553477), (23, 1390491), (43, 743751), (69, 463497), (129, 247917), (207, 154499), (387, 82639), (989, 32337), (2967, 10779), (3593, 8901)]