2990025

素因数分解:

$3^2\times 5^2\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:250

約数の個数: 36

約数和(自身を含む): 5450172

約数和(自身を除く): 2460147

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 97, 137, 225, 291, 411, 485, 685, 873, 1233, 1455, 2055, 2425, 3425, 4365, 6165, 7275, 10275, 13289, 21825, 30825, 39867, 66445, 119601, 199335, 332225, 598005, 996675, 2990025]

約数ペア:

[(1, 2990025), (3, 996675), (5, 598005), (9, 332225), (15, 199335), (25, 119601), (45, 66445), (75, 39867), (97, 30825), (137, 21825), (225, 13289), (291, 10275), (411, 7275), (485, 6165), (685, 4365), (873, 3425), (1233, 2425), (1455, 2055)]