80995545

素因数分解:

$3^9\times 5^1\times {\mathrm{823}}^1$

素因数の和:855

約数の個数: 40

約数和(自身を含む): 145966656

約数和(自身を除く): 64971111

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 823, 1215, 2187, 2469, 3645, 4115, 6561, 7407, 10935, 12345, 19683, 22221, 32805, 37035, 66663, 98415, 111105, 199989, 333315, 599967, 999945, 1799901, 2999835, 5399703, 8999505, 16199109, 26998515, 80995545]

約数ペア:

[(1, 80995545), (3, 26998515), (5, 16199109), (9, 8999505), (15, 5399703), (27, 2999835), (45, 1799901), (81, 999945), (135, 599967), (243, 333315), (405, 199989), (729, 111105), (823, 98415), (1215, 66663), (2187, 37035), (2469, 32805), (3645, 22221), (4115, 19683), (6561, 12345), (7407, 10935)]