28534857

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{223}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 43803648

約数和(自身を除く): 15268791

約数列:

[1, 3, 13, 17, 39, 51, 193, 221, 223, 579, 663, 669, 2509, 2899, 3281, 3791, 7527, 8697, 9843, 11373, 42653, 43039, 49283, 127959, 129117, 147849, 559507, 731663, 1678521, 2194989, 9511619, 28534857]

約数ペア:

[(1, 28534857), (3, 9511619), (13, 2194989), (17, 1678521), (39, 731663), (51, 559507), (193, 147849), (221, 129117), (223, 127959), (579, 49283), (663, 43039), (669, 42653), (2509, 11373), (2899, 9843), (3281, 8697), (3791, 7527)]