28426275

素因数分解:

$3^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{1831}}^1$

素因数の和:1873

約数の個数: 48

約数和(自身を含む): 54520320

約数和(自身を除く): 26094045

約数列:

[1, 3, 5, 9, 15, 23, 25, 27, 45, 69, 75, 115, 135, 207, 225, 345, 575, 621, 675, 1035, 1725, 1831, 3105, 5175, 5493, 9155, 15525, 16479, 27465, 42113, 45775, 49437, 82395, 126339, 137325, 210565, 247185, 379017, 411975, 631695, 1052825, 1137051, 1235925, 1895085, 3158475, 5685255, 9475425, 28426275]

約数ペア:

[(1, 28426275), (3, 9475425), (5, 5685255), (9, 3158475), (15, 1895085), (23, 1235925), (25, 1137051), (27, 1052825), (45, 631695), (69, 411975), (75, 379017), (115, 247185), (135, 210565), (207, 137325), (225, 126339), (345, 82395), (575, 49437), (621, 45775), (675, 42113), (1035, 27465), (1725, 16479), (1831, 15525), (3105, 9155), (5175, 5493)]