155538168429

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{389819971}}^1$

素因数の和:389820000

約数の個数: 16

約数和(自身を含む): 249484782080

約数和(自身を除く): 93946613651

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 389819971, 1169459913, 2728739797, 7406579449, 8186219391, 22219738347, 51846056143, 155538168429]

約数ペア:

[(1, 155538168429), (3, 51846056143), (7, 22219738347), (19, 8186219391), (21, 7406579449), (57, 2728739797), (133, 1169459913), (399, 389819971)]