28207539

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{701}}^1$

素因数の和:987

約数の個数: 24

約数和(自身を含む): 43366752

約数和(自身を除く): 15159213

約数列:

[1, 3, 9, 17, 51, 153, 263, 701, 789, 2103, 2367, 4471, 6309, 11917, 13413, 35751, 40239, 107253, 184363, 553089, 1659267, 3134171, 9402513, 28207539]

約数ペア:

[(1, 28207539), (3, 9402513), (9, 3134171), (17, 1659267), (51, 553089), (153, 184363), (263, 107253), (701, 40239), (789, 35751), (2103, 13413), (2367, 11917), (4471, 6309)]