86611887

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{1997}}^1$

素因数の和:2143

約数の個数: 24

約数和(自身を含む): 128831040

約数和(自身を除く): 42219153

約数列:

[1, 3, 9, 61, 79, 183, 237, 549, 711, 1997, 4819, 5991, 14457, 17973, 43371, 121817, 157763, 365451, 473289, 1096353, 1419867, 9623543, 28870629, 86611887]

約数ペア:

[(1, 86611887), (3, 28870629), (9, 9623543), (61, 1419867), (79, 1096353), (183, 473289), (237, 365451), (549, 157763), (711, 121817), (1997, 43371), (4819, 17973), (5991, 14457)]