1971294717

素因数分解:

$3^1\times 7^1\times {\mathrm{7151}}^1\times {\mathrm{13127}}^1$

素因数の和:20288

約数の個数: 16

約数和(自身を含む): 3004526592

約数和(自身を除く): 1033231875

約数列:

[1, 3, 7, 21, 7151, 13127, 21453, 39381, 50057, 91889, 150171, 275667, 93871177, 281613531, 657098239, 1971294717]

約数ペア:

[(1, 1971294717), (3, 657098239), (7, 281613531), (21, 93871177), (7151, 275667), (13127, 150171), (21453, 91889), (39381, 50057)]