26709993

素因数分解:

$3^4\times {\mathrm{419}}^1\times {\mathrm{787}}^1$

素因数の和:1218

約数の個数: 20

約数和(自身を含む): 40046160

約数和(自身を除く): 13336167

約数列:

[1, 3, 9, 27, 81, 419, 787, 1257, 2361, 3771, 7083, 11313, 21249, 33939, 63747, 329753, 989259, 2967777, 8903331, 26709993]

約数ペア:

[(1, 26709993), (3, 8903331), (9, 2967777), (27, 989259), (81, 329753), (419, 63747), (787, 33939), (1257, 21249), (2361, 11313), (3771, 7083)]