80412993

素因数分解:

$3^4\times {\mathrm{617}}^1\times {\mathrm{1609}}^1$

素因数の和:2238

約数の個数: 20

約数和(自身を含む): 120392580

約数和(自身を除く): 39979587

約数列:

[1, 3, 9, 27, 81, 617, 1609, 1851, 4827, 5553, 14481, 16659, 43443, 49977, 130329, 992753, 2978259, 8934777, 26804331, 80412993]

約数ペア:

[(1, 80412993), (3, 26804331), (9, 8934777), (27, 2978259), (81, 992753), (617, 130329), (1609, 49977), (1851, 43443), (4827, 16659), (5553, 14481)]