215743743

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{29927}}^1$

素因数の和:30028

約数の個数: 20

約数和(自身を含む): 325915920

約数和(自身を除く): 110172177

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 2403, 7209, 29927, 89781, 269343, 808029, 2424087, 2663503, 7990509, 23971527, 71914581, 215743743]

約数ペア:

[(1, 215743743), (3, 71914581), (9, 23971527), (27, 7990509), (81, 2663503), (89, 2424087), (267, 808029), (801, 269343), (2403, 89781), (7209, 29927)]