215318169

素因数分解:

$3^6\times {\mathrm{11}}^2\times {\mathrm{2441}}^1$

素因数の和:2481

約数の個数: 42

約数和(自身を含む): 354991098

約数和(自身を除く): 139672929

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 121, 243, 297, 363, 729, 891, 1089, 2441, 2673, 3267, 7323, 8019, 9801, 21969, 26851, 29403, 65907, 80553, 88209, 197721, 241659, 295361, 593163, 724977, 886083, 1779489, 2174931, 2658249, 6524793, 7974747, 19574379, 23924241, 71772723, 215318169]

約数ペア:

[(1, 215318169), (3, 71772723), (9, 23924241), (11, 19574379), (27, 7974747), (33, 6524793), (81, 2658249), (99, 2174931), (121, 1779489), (243, 886083), (297, 724977), (363, 593163), (729, 295361), (891, 241659), (1089, 197721), (2441, 88209), (2673, 80553), (3267, 65907), (7323, 29403), (8019, 26851), (9801, 21969)]