2491839

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1069}}^1$

素因数の和:1119

約数の個数: 24

約数和(自身を含む): 4228640

約数和(自身を除く): 1736801

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 1069, 2331, 3207, 7483, 9621, 22449, 39553, 67347, 118659, 276871, 355977, 830613, 2491839]

約数ペア:

[(1, 2491839), (3, 830613), (7, 355977), (9, 276871), (21, 118659), (37, 67347), (63, 39553), (111, 22449), (259, 9621), (333, 7483), (777, 3207), (1069, 2331)]