40040001

素因数分解:

$3^4\times {\mathrm{653}}^1\times {\mathrm{757}}^1$

素因数の和:1422

約数の個数: 20

約数和(自身を含む): 59983572

約数和(自身を除く): 19943571

約数列:

[1, 3, 9, 27, 81, 653, 757, 1959, 2271, 5877, 6813, 17631, 20439, 52893, 61317, 494321, 1482963, 4448889, 13346667, 40040001]

約数ペア:

[(1, 40040001), (3, 13346667), (9, 4448889), (27, 1482963), (81, 494321), (653, 61317), (757, 52893), (1959, 20439), (2271, 17631), (5877, 6813)]