2563119

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1153}}^1$

素因数の和:1191

約数の個数: 24

約数和(自身を含む): 4200560

約数和(自身を除く): 1637441

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 1153, 2223, 3459, 10377, 14989, 21907, 44967, 65721, 134901, 197163, 284791, 854373, 2563119]

約数ペア:

[(1, 2563119), (3, 854373), (9, 284791), (13, 197163), (19, 134901), (39, 65721), (57, 44967), (117, 21907), (171, 14989), (247, 10377), (741, 3459), (1153, 2223)]