80811945

素因数分解:

$3^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{2837}}^1$

素因数の和:3062

約数の個数: 32

約数和(自身を含む): 144397440

約数和(自身を除く): 63585495

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 211, 633, 1055, 1899, 2837, 3165, 5697, 8511, 9495, 14185, 25533, 28485, 42555, 76599, 127665, 382995, 598607, 1795821, 2993035, 5387463, 8979105, 16162389, 26937315, 80811945]

約数ペア:

[(1, 80811945), (3, 26937315), (5, 16162389), (9, 8979105), (15, 5387463), (27, 2993035), (45, 1795821), (135, 598607), (211, 382995), (633, 127665), (1055, 76599), (1899, 42555), (2837, 28485), (3165, 25533), (5697, 14185), (8511, 9495)]