85778913

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{431}}^1$

素因数の和:645

約数の個数: 32

約数和(自身を含む): 129226752

約数和(自身を除く): 43447839

約数列:

[1, 3, 11, 33, 37, 111, 163, 407, 431, 489, 1221, 1293, 1793, 4741, 5379, 6031, 14223, 15947, 18093, 47841, 66341, 70253, 175417, 199023, 210759, 526251, 772783, 2318349, 2599361, 7798083, 28592971, 85778913]

約数ペア:

[(1, 85778913), (3, 28592971), (11, 7798083), (33, 2599361), (37, 2318349), (111, 772783), (163, 526251), (407, 210759), (431, 199023), (489, 175417), (1221, 70253), (1293, 66341), (1793, 47841), (4741, 18093), (5379, 15947), (6031, 14223)]