15155075

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{211}}^1$

素因数の和:264

約数の個数: 36

約数和(自身を含む): 21648168

約数和(自身を除く): 6493093

約数列:

[1, 5, 13, 17, 25, 65, 85, 169, 211, 221, 325, 425, 845, 1055, 1105, 2743, 2873, 3587, 4225, 5275, 5525, 13715, 14365, 17935, 35659, 46631, 68575, 71825, 89675, 178295, 233155, 606203, 891475, 1165775, 3031015, 15155075]

約数ペア:

[(1, 15155075), (5, 3031015), (13, 1165775), (17, 891475), (25, 606203), (65, 233155), (85, 178295), (169, 89675), (211, 71825), (221, 68575), (325, 46631), (425, 35659), (845, 17935), (1055, 14365), (1105, 13715), (2743, 5525), (2873, 5275), (3587, 4225)]