131130009

素因数分解:

$3^4\times {\mathrm{977}}^1\times {\mathrm{1657}}^1$

素因数の和:2646

約数の個数: 20

約数和(自身を含む): 196204404

約数和(自身を除く): 65074395

約数列:

[1, 3, 9, 27, 81, 977, 1657, 2931, 4971, 8793, 14913, 26379, 44739, 79137, 134217, 1618889, 4856667, 14570001, 43710003, 131130009]

約数ペア:

[(1, 131130009), (3, 43710003), (9, 14570001), (27, 4856667), (81, 1618889), (977, 134217), (1657, 79137), (2931, 44739), (4971, 26379), (8793, 14913)]