3986125

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1$

素因数の和:262

約数の個数: 32

約数和(自身を含む): 5870592

約数和(自身を除く): 1884467

約数列:

[1, 5, 11, 13, 25, 55, 65, 125, 143, 223, 275, 325, 715, 1115, 1375, 1625, 2453, 2899, 3575, 5575, 12265, 14495, 17875, 27875, 31889, 61325, 72475, 159445, 306625, 362375, 797225, 3986125]

約数ペア:

[(1, 3986125), (5, 797225), (11, 362375), (13, 306625), (25, 159445), (55, 72475), (65, 61325), (125, 31889), (143, 27875), (223, 17875), (275, 14495), (325, 12265), (715, 5575), (1115, 3575), (1375, 2899), (1625, 2453)]