211399137

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{263}}^1$

素因数の和:410

約数の個数: 48

約数和(自身を含む): 328593408

約数和(自身を除く): 117194271

約数列:

[1, 3, 9, 31, 43, 67, 93, 129, 201, 263, 279, 387, 603, 789, 1333, 2077, 2367, 2881, 3999, 6231, 8153, 8643, 11309, 11997, 17621, 18693, 24459, 25929, 33927, 52863, 73377, 89311, 101781, 158589, 267933, 350579, 546251, 757703, 803799, 1051737, 1638753, 2273109, 3155211, 4916259, 6819327, 23488793, 70466379, 211399137]

約数ペア:

[(1, 211399137), (3, 70466379), (9, 23488793), (31, 6819327), (43, 4916259), (67, 3155211), (93, 2273109), (129, 1638753), (201, 1051737), (263, 803799), (279, 757703), (387, 546251), (603, 350579), (789, 267933), (1333, 158589), (2077, 101781), (2367, 89311), (2881, 73377), (3999, 52863), (6231, 33927), (8153, 25929), (8643, 24459), (11309, 18693), (11997, 17621)]