2590191

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:172

約数の個数: 32

約数和(自身を含む): 4139520

約数和(自身を除く): 1549329

約数列:

[1, 3, 9, 23, 27, 43, 69, 97, 129, 207, 291, 387, 621, 873, 989, 1161, 2231, 2619, 2967, 4171, 6693, 8901, 12513, 20079, 26703, 37539, 60237, 95933, 112617, 287799, 863397, 2590191]

約数ペア:

[(1, 2590191), (3, 863397), (9, 287799), (23, 112617), (27, 95933), (43, 60237), (69, 37539), (97, 26703), (129, 20079), (207, 12513), (291, 8901), (387, 6693), (621, 4171), (873, 2967), (989, 2619), (1161, 2231)]