28134795

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{647}}^1$

素因数の和:891

約数の個数: 32

約数和(自身を含む): 48771072

約数和(自身を除く): 20636277

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 223, 647, 669, 1115, 1941, 2899, 3235, 3345, 8411, 8697, 9705, 14495, 25233, 42055, 43485, 126165, 144281, 432843, 721405, 1875653, 2164215, 5626959, 9378265, 28134795]

約数ペア:

[(1, 28134795), (3, 9378265), (5, 5626959), (13, 2164215), (15, 1875653), (39, 721405), (65, 432843), (195, 144281), (223, 126165), (647, 43485), (669, 42055), (1115, 25233), (1941, 14495), (2899, 9705), (3235, 8697), (3345, 8411)]