28933605

素因数分解:

$3^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{359}}^1$

素因数の和:575

約数の個数: 40

約数和(自身を含む): 52272000

約数和(自身を除く): 23338395

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 199, 359, 405, 597, 995, 1077, 1791, 1795, 2985, 3231, 5373, 5385, 8955, 9693, 16119, 16155, 26865, 29079, 48465, 71441, 80595, 145395, 214323, 357205, 642969, 1071615, 1928907, 3214845, 5786721, 9644535, 28933605]

約数ペア:

[(1, 28933605), (3, 9644535), (5, 5786721), (9, 3214845), (15, 1928907), (27, 1071615), (45, 642969), (81, 357205), (135, 214323), (199, 145395), (359, 80595), (405, 71441), (597, 48465), (995, 29079), (1077, 26865), (1791, 16155), (1795, 16119), (2985, 9693), (3231, 8955), (5373, 5385)]