13426317

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{5347}}^1$

素因数の和:5390

約数の個数: 20

約数和(自身を含む): 20707456

約数和(自身を除く): 7281139

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 5347, 16041, 48123, 144369, 165757, 433107, 497271, 1491813, 4475439, 13426317]

約数ペア:

[(1, 13426317), (3, 4475439), (9, 1491813), (27, 497271), (31, 433107), (81, 165757), (93, 144369), (279, 48123), (837, 16041), (2511, 5347)]