85805559

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{19183}}^1$

素因数の和:19267

約数の個数: 24

約数和(自身を含む): 143649792

約数和(自身を除く): 57844233

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 19183, 57549, 134281, 172647, 402843, 1208529, 1361993, 4085979, 9533951, 12257937, 28601853, 85805559]

約数ペア:

[(1, 85805559), (3, 28601853), (7, 12257937), (9, 9533951), (21, 4085979), (63, 1361993), (71, 1208529), (213, 402843), (497, 172647), (639, 134281), (1491, 57549), (4473, 19183)]