40405797

素因数分解:

$3^5\times {\mathrm{257}}^1\times {\mathrm{647}}^1$

素因数の和:919

約数の個数: 24

約数和(自身を含む): 60854976

約数和(自身を除く): 20449179

約数列:

[1, 3, 9, 27, 81, 243, 257, 647, 771, 1941, 2313, 5823, 6939, 17469, 20817, 52407, 62451, 157221, 166279, 498837, 1496511, 4489533, 13468599, 40405797]

約数ペア:

[(1, 40405797), (3, 13468599), (9, 4489533), (27, 1496511), (81, 498837), (243, 166279), (257, 157221), (647, 62451), (771, 52407), (1941, 20817), (2313, 17469), (5823, 6939)]