86731857

素因数分解:

$3^3\times {\mathrm{149}}^1\times {\mathrm{21559}}^1$

素因数の和:21717

約数の個数: 16

約数和(自身を含む): 129360000

約数和(自身を除く): 42628143

約数列:

[1, 3, 9, 27, 149, 447, 1341, 4023, 21559, 64677, 194031, 582093, 3212291, 9636873, 28910619, 86731857]

約数ペア:

[(1, 86731857), (3, 28910619), (9, 9636873), (27, 3212291), (149, 582093), (447, 194031), (1341, 64677), (4023, 21559)]