31240971

素因数分解:

$3^4\times {\mathrm{449}}^1\times {\mathrm{859}}^1$

素因数の和:1320

約数の個数: 20

約数和(自身を含む): 46827000

約数和(自身を除く): 15586029

約数列:

[1, 3, 9, 27, 81, 449, 859, 1347, 2577, 4041, 7731, 12123, 23193, 36369, 69579, 385691, 1157073, 3471219, 10413657, 31240971]

約数ペア:

[(1, 31240971), (3, 10413657), (9, 3471219), (27, 1157073), (81, 385691), (449, 69579), (859, 36369), (1347, 23193), (2577, 12123), (4041, 7731)]