215511111

素因数分解:

$3^5\times {\mathrm{73}}^1\times {\mathrm{12149}}^1$

素因数の和:12237

約数の個数: 24

約数和(自身を含む): 327272400

約数和(自身を除く): 111761289

約数列:

[1, 3, 9, 27, 73, 81, 219, 243, 657, 1971, 5913, 12149, 17739, 36447, 109341, 328023, 886877, 984069, 2660631, 2952207, 7981893, 23945679, 71837037, 215511111]

約数ペア:

[(1, 215511111), (3, 71837037), (9, 23945679), (27, 7981893), (73, 2952207), (81, 2660631), (219, 984069), (243, 886877), (657, 328023), (1971, 109341), (5913, 36447), (12149, 17739)]