80798715

素因数分解:

$3^9\times 5^1\times {\mathrm{821}}^1$

素因数の和:853

約数の個数: 40

約数和(自身を含む): 145612368

約数和(自身を除く): 64813653

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 821, 1215, 2187, 2463, 3645, 4105, 6561, 7389, 10935, 12315, 19683, 22167, 32805, 36945, 66501, 98415, 110835, 199503, 332505, 598509, 997515, 1795527, 2992545, 5386581, 8977635, 16159743, 26932905, 80798715]

約数ペア:

[(1, 80798715), (3, 26932905), (5, 16159743), (9, 8977635), (15, 5386581), (27, 2992545), (45, 1795527), (81, 997515), (135, 598509), (243, 332505), (405, 199503), (729, 110835), (821, 98415), (1215, 66501), (2187, 36945), (2463, 32805), (3645, 22167), (4105, 19683), (6561, 12315), (7389, 10935)]