291248163

素因数分解:

$3^3\times {\mathrm{137}}^1\times {\mathrm{78737}}^1$

素因数の和:78883

約数の個数: 16

約数和(自身を含む): 434633760

約数和(自身を除く): 143385597

約数列:

[1, 3, 9, 27, 137, 411, 1233, 3699, 78737, 236211, 708633, 2125899, 10786969, 32360907, 97082721, 291248163]

約数ペア:

[(1, 291248163), (3, 97082721), (9, 32360907), (27, 10786969), (137, 2125899), (411, 708633), (1233, 236211), (3699, 78737)]