1520505837

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{987983}}^1$

素因数の和:988014

約数の個数: 20

約数和(自身を含む): 2390921280

約数和(自身を除く): 870415443

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 987983, 2963949, 8891847, 18771677, 26675541, 56315031, 80026623, 168945093, 506835279, 1520505837]

約数ペア:

[(1, 1520505837), (3, 506835279), (9, 168945093), (19, 80026623), (27, 56315031), (57, 26675541), (81, 18771677), (171, 8891847), (513, 2963949), (1539, 987983)]