28203435

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1303}}^1$

素因数の和:1364

約数の個数: 48

約数和(自身を含む): 54110784

約数和(自身を除く): 25907349

約数列:

[1, 3, 5, 9, 13, 15, 37, 39, 45, 65, 111, 117, 185, 195, 333, 481, 555, 585, 1303, 1443, 1665, 2405, 3909, 4329, 6515, 7215, 11727, 16939, 19545, 21645, 48211, 50817, 58635, 84695, 144633, 152451, 241055, 254085, 433899, 626743, 723165, 762255, 1880229, 2169495, 3133715, 5640687, 9401145, 28203435]

約数ペア:

[(1, 28203435), (3, 9401145), (5, 5640687), (9, 3133715), (13, 2169495), (15, 1880229), (37, 762255), (39, 723165), (45, 626743), (65, 433899), (111, 254085), (117, 241055), (185, 152451), (195, 144633), (333, 84695), (481, 58635), (555, 50817), (585, 48211), (1303, 21645), (1443, 19545), (1665, 16939), (2405, 11727), (3909, 7215), (4329, 6515)]