2563953

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1471}}^1$

素因数の和:1564

約数の個数: 16

約数和(自身を含む): 3956736

約数和(自身を除く): 1392783

約数列:

[1, 3, 7, 21, 83, 249, 581, 1471, 1743, 4413, 10297, 30891, 122093, 366279, 854651, 2563953]

約数ペア:

[(1, 2563953), (3, 854651), (7, 366279), (21, 122093), (83, 30891), (249, 10297), (581, 4413), (1471, 1743)]