249261669

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 386580480

約数和(自身を除く): 137318811

約数列:

[1, 3, 9, 31, 43, 79, 93, 129, 237, 263, 279, 387, 711, 789, 1333, 2367, 2449, 3397, 3999, 7347, 8153, 10191, 11309, 11997, 20777, 22041, 24459, 30573, 33927, 62331, 73377, 101781, 105307, 186993, 315921, 350579, 644087, 893411, 947763, 1051737, 1932261, 2680233, 3155211, 5796783, 8040699, 27695741, 83087223, 249261669]

約数ペア:

[(1, 249261669), (3, 83087223), (9, 27695741), (31, 8040699), (43, 5796783), (79, 3155211), (93, 2680233), (129, 1932261), (237, 1051737), (263, 947763), (279, 893411), (387, 644087), (711, 350579), (789, 315921), (1333, 186993), (2367, 105307), (2449, 101781), (3397, 73377), (3999, 62331), (7347, 33927), (8153, 30573), (10191, 24459), (11309, 22041), (11997, 20777)]