31138443

素因数分解:

$3^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{2857}}^1$

素因数の和:3043

約数の個数: 24

約数和(自身を含む): 51718368

約数和(自身を除く): 20579925

約数列:

[1, 3, 7, 9, 21, 63, 173, 519, 1211, 1557, 2857, 3633, 8571, 10899, 19999, 25713, 59997, 179991, 494261, 1482783, 3459827, 4448349, 10379481, 31138443]

約数ペア:

[(1, 31138443), (3, 10379481), (7, 4448349), (9, 3459827), (21, 1482783), (63, 494261), (173, 179991), (519, 59997), (1211, 25713), (1557, 19999), (2857, 10899), (3633, 8571)]