66986475

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{20771}}^1$

素因数の和:20827

約数の個数: 24

約数和(自身を含む): 113332032

約数和(自身を除く): 46345557

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 20771, 62313, 103855, 311565, 519275, 893153, 1557825, 2679459, 4465765, 13397295, 22328825, 66986475]

約数ペア:

[(1, 66986475), (3, 22328825), (5, 13397295), (15, 4465765), (25, 2679459), (43, 1557825), (75, 893153), (129, 519275), (215, 311565), (645, 103855), (1075, 62313), (3225, 20771)]