1291298307

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{624721}}^1$

素因数の和:624790

約数の個数: 16

約数和(自身を含む): 1889159328

約数和(自身を除く): 597861021

約数列:

[1, 3, 13, 39, 53, 159, 689, 2067, 624721, 1874163, 8121373, 24364119, 33110213, 99330639, 430432769, 1291298307]

約数ペア:

[(1, 1291298307), (3, 430432769), (13, 99330639), (39, 33110213), (53, 24364119), (159, 8121373), (689, 1874163), (2067, 624721)]