80531475

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{24971}}^1$

素因数の和:25027

約数の個数: 24

約数和(自身を含む): 136247232

約数和(自身を除く): 55715757

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 24971, 74913, 124855, 374565, 624275, 1073753, 1872825, 3221259, 5368765, 16106295, 26843825, 80531475]

約数ペア:

[(1, 80531475), (3, 26843825), (5, 16106295), (15, 5368765), (25, 3221259), (43, 1872825), (75, 1073753), (129, 624275), (215, 374565), (645, 124855), (1075, 74913), (3225, 24971)]