218239839

素因数分解:

$3^4\times {\mathrm{401}}^1\times {\mathrm{6719}}^1$

素因数の和:7132

約数の個数: 20

約数和(自身を含む): 326874240

約数和(自身を除く): 108634401

約数列:

[1, 3, 9, 27, 81, 401, 1203, 3609, 6719, 10827, 20157, 32481, 60471, 181413, 544239, 2694319, 8082957, 24248871, 72746613, 218239839]

約数ペア:

[(1, 218239839), (3, 72746613), (9, 24248871), (27, 8082957), (81, 2694319), (401, 544239), (1203, 181413), (3609, 60471), (6719, 32481), (10827, 20157)]