80031645

素因数分解:

$3^4\times 5^1\times {\mathrm{197609}}^1$

素因数の和:197626

約数の個数: 20

約数和(自身を含む): 143464860

約数和(自身を除く): 63433215

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 197609, 592827, 988045, 1778481, 2964135, 5335443, 8892405, 16006329, 26677215, 80031645]

約数ペア:

[(1, 80031645), (3, 26677215), (5, 16006329), (9, 8892405), (15, 5335443), (27, 2964135), (45, 1778481), (81, 988045), (135, 592827), (405, 197609)]