214880589

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{7211}}^1$

素因数の和:7278

約数の個数: 48

約数和(自身を含む): 396025344

約数和(自身を除く): 181144755

約数列:

[1, 3, 7, 9, 11, 21, 33, 43, 63, 77, 99, 129, 231, 301, 387, 473, 693, 903, 1419, 2709, 3311, 4257, 7211, 9933, 21633, 29799, 50477, 64899, 79321, 151431, 237963, 310073, 454293, 555247, 713889, 930219, 1665741, 2170511, 2790657, 3410803, 4997223, 6511533, 10232409, 19534599, 23875621, 30697227, 71626863, 214880589]

約数ペア:

[(1, 214880589), (3, 71626863), (7, 30697227), (9, 23875621), (11, 19534599), (21, 10232409), (33, 6511533), (43, 4997223), (63, 3410803), (77, 2790657), (99, 2170511), (129, 1665741), (231, 930219), (301, 713889), (387, 555247), (473, 454293), (693, 310073), (903, 237963), (1419, 151431), (2709, 79321), (3311, 64899), (4257, 50477), (7211, 29799), (9933, 21633)]