2542869

素因数分解:

$3^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{223}}^1$

素因数の和:417

約数の個数: 24

約数和(自身を含む): 4239872

約数和(自身を除く): 1697003

約数列:

[1, 3, 7, 9, 21, 63, 181, 223, 543, 669, 1267, 1561, 1629, 2007, 3801, 4683, 11403, 14049, 40363, 121089, 282541, 363267, 847623, 2542869]

約数ペア:

[(1, 2542869), (3, 847623), (7, 363267), (9, 282541), (21, 121089), (63, 40363), (181, 14049), (223, 11403), (543, 4683), (669, 3801), (1267, 2007), (1561, 1629)]