2557443

素因数分解:

$3^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{631}}^1$

素因数の和:834

約数の個数: 16

約数和(自身を含む): 3923456

約数和(自身を除く): 1366013

約数列:

[1, 3, 7, 21, 193, 579, 631, 1351, 1893, 4053, 4417, 13251, 121783, 365349, 852481, 2557443]

約数ペア:

[(1, 2557443), (3, 852481), (7, 365349), (21, 121783), (193, 13251), (579, 4417), (631, 4053), (1351, 1893)]