79816581

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{40129}}^1$

素因数の和:40165

約数の個数: 24

約数和(自身を含む): 131465880

約数和(自身を除く): 51649299

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 40129, 120387, 361161, 521677, 682193, 1565031, 2046579, 4695093, 6139737, 8868509, 26605527, 79816581]

約数ペア:

[(1, 79816581), (3, 26605527), (9, 8868509), (13, 6139737), (17, 4695093), (39, 2046579), (51, 1565031), (117, 682193), (153, 521677), (221, 361161), (663, 120387), (1989, 40129)]