80333289

素因数分解:

$3^4\times {\mathrm{157}}^1\times {\mathrm{6317}}^1$

素因数の和:6486

約数の個数: 20

約数和(自身を含む): 120787524

約数和(自身を除く): 40454235

約数列:

[1, 3, 9, 27, 81, 157, 471, 1413, 4239, 6317, 12717, 18951, 56853, 170559, 511677, 991769, 2975307, 8925921, 26777763, 80333289]

約数ペア:

[(1, 80333289), (3, 26777763), (9, 8925921), (27, 2975307), (81, 991769), (157, 511677), (471, 170559), (1413, 56853), (4239, 18951), (6317, 12717)]