2820819

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:326

約数の個数: 16

約数和(自身を含む): 3890592

約数和(自身を除く): 1069773

約数列:

[1, 3, 53, 113, 157, 159, 339, 471, 5989, 8321, 17741, 17967, 24963, 53223, 940273, 2820819]

約数ペア:

[(1, 2820819), (3, 940273), (53, 53223), (113, 24963), (157, 17967), (159, 17741), (339, 8321), (471, 5989)]