138549861

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{29101}}^1$

素因数の和:29153

約数の個数: 18

約数和(自身を含む): 209214278

約数和(自身を除く): 70664417

約数列:

[1, 3, 9, 23, 69, 207, 529, 1587, 4761, 29101, 87303, 261909, 669323, 2007969, 6023907, 15394429, 46183287, 138549861]

約数ペア:

[(1, 138549861), (3, 46183287), (9, 15394429), (23, 6023907), (69, 2007969), (207, 669323), (529, 261909), (1587, 87303), (4761, 29101)]