1624617

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:690

約数の個数: 20

約数和(自身を含む): 2509056

約数和(自身を除く): 884439

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 647, 837, 1941, 2511, 5823, 17469, 20057, 52407, 60171, 180513, 541539, 1624617]

約数ペア:

[(1, 1624617), (3, 541539), (9, 180513), (27, 60171), (31, 52407), (81, 20057), (93, 17469), (279, 5823), (647, 2511), (837, 1941)]