8261721

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{293}}^1$

素因数の和:553

約数の個数: 24

約数和(自身を含む): 12948936

約数和(自身を除く): 4687215

約数列:

[1, 3, 9, 13, 39, 117, 241, 293, 723, 879, 2169, 2637, 3133, 3809, 9399, 11427, 28197, 34281, 70613, 211839, 635517, 917969, 2753907, 8261721]

約数ペア:

[(1, 8261721), (3, 2753907), (9, 917969), (13, 635517), (39, 211839), (117, 70613), (241, 34281), (293, 28197), (723, 11427), (879, 9399), (2169, 3809), (2637, 3133)]