980001

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:557

約数の個数: 24

約数和(自身を含む): 1628640

約数和(自身を除く): 648639

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 521, 627, 1563, 1881, 4689, 5731, 9899, 17193, 29697, 51579, 89091, 108889, 326667, 980001]

約数ペア:

[(1, 980001), (3, 326667), (9, 108889), (11, 89091), (19, 51579), (33, 29697), (57, 17193), (99, 9899), (171, 5731), (209, 4689), (521, 1881), (627, 1563)]