31760217

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{2161}}^1$

素因数の和:2261

約数の個数: 24

約数和(自身を含む): 48567168

約数和(自身を除く): 16806951

約数列:

[1, 3, 9, 23, 69, 71, 207, 213, 639, 1633, 2161, 4899, 6483, 14697, 19449, 49703, 149109, 153431, 447327, 460293, 1380879, 3528913, 10586739, 31760217]

約数ペア:

[(1, 31760217), (3, 10586739), (9, 3528913), (23, 1380879), (69, 460293), (71, 447327), (207, 153431), (213, 149109), (639, 49703), (1633, 19449), (2161, 14697), (4899, 6483)]