80262495

素因数分解:

$3^4\times 5^1\times {\mathrm{198179}}^1$

素因数の和:198196

約数の個数: 20

約数和(自身を含む): 143878680

約数和(自身を除く): 63616185

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 198179, 594537, 990895, 1783611, 2972685, 5350833, 8918055, 16052499, 26754165, 80262495]

約数ペア:

[(1, 80262495), (3, 26754165), (5, 16052499), (9, 8918055), (15, 5350833), (27, 2972685), (45, 1783611), (81, 990895), (135, 594537), (405, 198179)]