26951139

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{397}}^2$

素因数の和:819

約数の個数: 18

約数和(自身を含む): 41081820

約数和(自身を除く): 14130681

約数列:

[1, 3, 9, 19, 57, 171, 397, 1191, 3573, 7543, 22629, 67887, 157609, 472827, 1418481, 2994571, 8983713, 26951139]

約数ペア:

[(1, 26951139), (3, 8983713), (9, 2994571), (19, 1418481), (57, 472827), (171, 157609), (397, 67887), (1191, 22629), (3573, 7543)]