30981879

素因数分解:

$3^3\times {\mathrm{89}}^1\times {\mathrm{12893}}^1$

素因数の和:12991

約数の個数: 16

約数和(自身を含む): 46418400

約数和(自身を除く): 15436521

約数列:

[1, 3, 9, 27, 89, 267, 801, 2403, 12893, 38679, 116037, 348111, 1147477, 3442431, 10327293, 30981879]

約数ペア:

[(1, 30981879), (3, 10327293), (9, 3442431), (27, 1147477), (89, 348111), (267, 116037), (801, 38679), (2403, 12893)]