28091871

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{2063}}^1$

素因数の和:2175

約数の個数: 24

約数和(自身を含む): 43467840

約数和(自身を除く): 15375969

約数列:

[1, 3, 9, 17, 51, 89, 153, 267, 801, 1513, 2063, 4539, 6189, 13617, 18567, 35071, 105213, 183607, 315639, 550821, 1652463, 3121319, 9363957, 28091871]

約数ペア:

[(1, 28091871), (3, 9363957), (9, 3121319), (17, 1652463), (51, 550821), (89, 315639), (153, 183607), (267, 105213), (801, 35071), (1513, 18567), (2063, 13617), (4539, 6189)]