1611081

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:253

約数の個数: 24

約数和(自身を含む): 2498496

約数和(自身を除く): 887415

約数列:

[1, 3, 9, 23, 43, 69, 129, 181, 207, 387, 543, 989, 1629, 2967, 4163, 7783, 8901, 12489, 23349, 37467, 70047, 179009, 537027, 1611081]

約数ペア:

[(1, 1611081), (3, 537027), (9, 179009), (23, 70047), (43, 37467), (69, 23349), (129, 12489), (181, 8901), (207, 7783), (387, 4163), (543, 2967), (989, 1629)]