8428581

素因数分解:

$3^2\times 7^1\times {\mathrm{353}}^1\times {\mathrm{379}}^1$

素因数の和:745

約数の個数: 24

約数和(自身を含む): 13990080

約数和(自身を除く): 5561499

約数列:

[1, 3, 7, 9, 21, 63, 353, 379, 1059, 1137, 2471, 2653, 3177, 3411, 7413, 7959, 22239, 23877, 133787, 401361, 936509, 1204083, 2809527, 8428581]

約数ペア:

[(1, 8428581), (3, 2809527), (7, 1204083), (9, 936509), (21, 401361), (63, 133787), (353, 23877), (379, 22239), (1059, 7959), (1137, 7413), (2471, 3411), (2653, 3177)]