80421885

素因数分解:

$3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{17351}}^1$

素因数の和:17465

約数の個数: 24

約数和(自身を含む): 140759424

約数和(自身を除く): 60337539

約数列:

[1, 3, 5, 9, 15, 45, 103, 309, 515, 927, 1545, 4635, 17351, 52053, 86755, 156159, 260265, 780795, 1787153, 5361459, 8935765, 16084377, 26807295, 80421885]

約数ペア:

[(1, 80421885), (3, 26807295), (5, 16084377), (9, 8935765), (15, 5361459), (45, 1787153), (103, 780795), (309, 260265), (515, 156159), (927, 86755), (1545, 52053), (4635, 17351)]