72640581

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{311}}^1$

素因数の和:493

約数の個数: 32

約数和(自身を含む): 107557632

約数和(自身を除く): 34917051

約数列:

[1, 3, 13, 39, 53, 113, 159, 311, 339, 689, 933, 1469, 2067, 4043, 4407, 5989, 12129, 16483, 17967, 35143, 49449, 77857, 105429, 214279, 233571, 456859, 642837, 1370577, 1862579, 5587737, 24213527, 72640581]

約数ペア:

[(1, 72640581), (3, 24213527), (13, 5587737), (39, 1862579), (53, 1370577), (113, 642837), (159, 456859), (311, 233571), (339, 214279), (689, 105429), (933, 77857), (1469, 49449), (2067, 35143), (4043, 17967), (4407, 16483), (5989, 12129)]