247142007

素因数分解:

$3^2\times 7^1\times {\mathrm{353}}^1\times {\mathrm{11113}}^1$

素因数の和:11479

約数の個数: 24

約数和(自身を含む): 409173024

約数和(自身を除く): 162031017

約数列:

[1, 3, 7, 9, 21, 63, 353, 1059, 2471, 3177, 7413, 11113, 22239, 33339, 77791, 100017, 233373, 700119, 3922889, 11768667, 27460223, 35306001, 82380669, 247142007]

約数ペア:

[(1, 247142007), (3, 82380669), (7, 35306001), (9, 27460223), (21, 11768667), (63, 3922889), (353, 700119), (1059, 233373), (2471, 100017), (3177, 77791), (7413, 33339), (11113, 22239)]