12772971

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{2221}}^1$

素因数の和:2304

約数の個数: 20

約数和(自身を含む): 19358064

約数和(自身を除く): 6585093

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 2221, 5751, 6663, 19989, 59967, 157691, 179901, 473073, 1419219, 4257657, 12772971]

約数ペア:

[(1, 12772971), (3, 4257657), (9, 1419219), (27, 473073), (71, 179901), (81, 157691), (213, 59967), (639, 19989), (1917, 6663), (2221, 5751)]