7920381

素因数分解:

$3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2753}}^1$

素因数の和:2900

約数の個数: 16

約数和(自身を含む): 12161664

約数和(自身を除く): 4241283

約数列:

[1, 3, 7, 21, 137, 411, 959, 2753, 2877, 8259, 19271, 57813, 377161, 1131483, 2640127, 7920381]

約数ペア:

[(1, 7920381), (3, 2640127), (7, 1131483), (21, 377161), (137, 57813), (411, 19271), (959, 8259), (2753, 2877)]