2818137

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1009}}^1$

素因数の和:1045

約数の個数: 24

約数和(自身を含む): 4605600

約数和(自身を除く): 1787463

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 1009, 2793, 3027, 7063, 19171, 21189, 49441, 57513, 134197, 148323, 402591, 939379, 2818137]

約数ペア:

[(1, 2818137), (3, 939379), (7, 402591), (19, 148323), (21, 134197), (49, 57513), (57, 49441), (133, 21189), (147, 19171), (399, 7063), (931, 3027), (1009, 2793)]