2471391

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{2347}}^1$

素因数の和:2372

約数の個数: 20

約数和(自身を含む): 3977512

約数和(自身を除く): 1506121

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 2347, 7041, 21123, 30511, 63369, 91533, 190107, 274599, 823797, 2471391]

約数ペア:

[(1, 2471391), (3, 823797), (9, 274599), (13, 190107), (27, 91533), (39, 63369), (81, 30511), (117, 21123), (351, 7041), (1053, 2347)]