26821197

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{9967}}^1$

素因数の和:10009

約数の個数: 24

約数和(自身を含む): 43540224

約数和(自身を除く): 16719027

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 207, 299, 897, 2691, 9967, 29901, 89703, 129571, 229241, 388713, 687723, 1166139, 2063169, 2980133, 8940399, 26821197]

約数ペア:

[(1, 26821197), (3, 8940399), (9, 2980133), (13, 2063169), (23, 1166139), (39, 687723), (69, 388713), (117, 229241), (207, 129571), (299, 89703), (897, 29901), (2691, 9967)]