80491725

素因数分解:

$3^4\times 5^2\times {\mathrm{39749}}^1$

素因数の和:39771

約数の個数: 30

約数和(自身を含む): 149102250

約数和(自身を除く): 68610525

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 39749, 119247, 198745, 357741, 596235, 993725, 1073223, 1788705, 2981175, 3219669, 5366115, 8943525, 16098345, 26830575, 80491725]

約数ペア:

[(1, 80491725), (3, 26830575), (5, 16098345), (9, 8943525), (15, 5366115), (25, 3219669), (27, 2981175), (45, 1788705), (75, 1073223), (81, 993725), (135, 596235), (225, 357741), (405, 198745), (675, 119247), (2025, 39749)]