86857839

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{17579}}^1$

素因数の和:17652

約数の個数: 20

約数和(自身を含む): 131885160

約数和(自身を除く): 45027321

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 4941, 17579, 52737, 158211, 474633, 1072319, 1423899, 3216957, 9650871, 28952613, 86857839]

約数ペア:

[(1, 86857839), (3, 28952613), (9, 9650871), (27, 3216957), (61, 1423899), (81, 1072319), (183, 474633), (549, 158211), (1647, 52737), (4941, 17579)]