80793045

素因数分解:

$3^4\times 5^1\times {\mathrm{199489}}^1$

素因数の和:199506

約数の個数: 20

約数和(自身を含む): 144829740

約数和(自身を除く): 64036695

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 199489, 598467, 997445, 1795401, 2992335, 5386203, 8977005, 16158609, 26931015, 80793045]

約数ペア:

[(1, 80793045), (3, 26931015), (5, 16158609), (9, 8977005), (15, 5386203), (27, 2992335), (45, 1795401), (81, 997445), (135, 598467), (405, 199489)]