28000077

素因数分解:

$3^1\times 7^1\times {\mathrm{617}}^1\times {\mathrm{2161}}^1$

素因数の和:2788

約数の個数: 16

約数和(自身を含む): 42755712

約数和(自身を除く): 14755635

約数列:

[1, 3, 7, 21, 617, 1851, 2161, 4319, 6483, 12957, 15127, 45381, 1333337, 4000011, 9333359, 28000077]

約数ペア:

[(1, 28000077), (3, 9333359), (7, 4000011), (21, 1333337), (617, 45381), (1851, 15127), (2161, 12957), (4319, 6483)]