28112475

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{1297}}^1$

素因数の和:1344

約数の個数: 36

約数和(自身を含む): 49412264

約数和(自身を除く): 21299789

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 289, 425, 867, 1275, 1297, 1445, 3891, 4335, 6485, 7225, 19455, 21675, 22049, 32425, 66147, 97275, 110245, 330735, 374833, 551225, 1124499, 1653675, 1874165, 5622495, 9370825, 28112475]

約数ペア:

[(1, 28112475), (3, 9370825), (5, 5622495), (15, 1874165), (17, 1653675), (25, 1124499), (51, 551225), (75, 374833), (85, 330735), (255, 110245), (289, 97275), (425, 66147), (867, 32425), (1275, 22049), (1297, 21675), (1445, 19455), (3891, 7225), (4335, 6485)]