17996880945

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^2\times {\mathrm{648887}}^1$

素因数の和:648981

約数の個数: 24

約数和(自身を含む): 29480279616

約数和(自身を除く): 11483398671

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 1849, 5547, 9245, 27735, 648887, 1946661, 3244435, 9733305, 27902141, 83706423, 139510705, 418532115, 1199792063, 3599376189, 5998960315, 17996880945]

約数ペア:

[(1, 17996880945), (3, 5998960315), (5, 3599376189), (15, 1199792063), (43, 418532115), (129, 139510705), (215, 83706423), (645, 27902141), (1849, 9733305), (5547, 3244435), (9245, 1946661), (27735, 648887)]