3991539

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{293}}^1$

素因数の和:554

約数の個数: 16

約数和(自身を含む): 5644800

約数和(自身を除く): 1653261

約数列:

[1, 3, 19, 57, 239, 293, 717, 879, 4541, 5567, 13623, 16701, 70027, 210081, 1330513, 3991539]

約数ペア:

[(1, 3991539), (3, 1330513), (19, 210081), (57, 70027), (239, 16701), (293, 13623), (717, 5567), (879, 4541)]