17698257

素因数分解:

$3^4\times {\mathrm{151}}^1\times {\mathrm{1447}}^1$

素因数の和:1610

約数の個数: 20

約数和(自身を含む): 26631616

約数和(自身を除く): 8933359

約数列:

[1, 3, 9, 27, 81, 151, 453, 1359, 1447, 4077, 4341, 12231, 13023, 39069, 117207, 218497, 655491, 1966473, 5899419, 17698257]

約数ペア:

[(1, 17698257), (3, 5899419), (9, 1966473), (27, 655491), (81, 218497), (151, 117207), (453, 39069), (1359, 13023), (1447, 12231), (4077, 4341)]