2155554

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{3863}}^1$

素因数の和:3902

約数の個数: 24

約数和(自身を含む): 4822272

約数和(自身を除く): 2666718

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 279, 558, 3863, 7726, 11589, 23178, 34767, 69534, 119753, 239506, 359259, 718518, 1077777, 2155554]

約数ペア:

[(1, 2155554), (2, 1077777), (3, 718518), (6, 359259), (9, 239506), (18, 119753), (31, 69534), (62, 34767), (93, 23178), (186, 11589), (279, 7726), (558, 3863)]