13040919

素因数分解:

$3^4\times {\mathrm{131}}^1\times {\mathrm{1229}}^1$

素因数の和:1372

約数の個数: 20

約数和(自身を含む): 19645560

約数和(自身を除く): 6604641

約数列:

[1, 3, 9, 27, 81, 131, 393, 1179, 1229, 3537, 3687, 10611, 11061, 33183, 99549, 160999, 482997, 1448991, 4346973, 13040919]

約数ペア:

[(1, 13040919), (3, 4346973), (9, 1448991), (27, 482997), (81, 160999), (131, 99549), (393, 33183), (1179, 11061), (1229, 10611), (3537, 3687)]