12665205

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1297}}^1$

素因数の和:1346

約数の個数: 48

約数和(自身を含む): 25918464

約数和(自身を除く): 13253259

約数列:

[1, 3, 5, 7, 9, 15, 21, 31, 35, 45, 63, 93, 105, 155, 217, 279, 315, 465, 651, 1085, 1297, 1395, 1953, 3255, 3891, 6485, 9079, 9765, 11673, 19455, 27237, 40207, 45395, 58365, 81711, 120621, 136185, 201035, 281449, 361863, 408555, 603105, 844347, 1407245, 1809315, 2533041, 4221735, 12665205]

約数ペア:

[(1, 12665205), (3, 4221735), (5, 2533041), (7, 1809315), (9, 1407245), (15, 844347), (21, 603105), (31, 408555), (35, 361863), (45, 281449), (63, 201035), (93, 136185), (105, 120621), (155, 81711), (217, 58365), (279, 45395), (315, 40207), (465, 27237), (651, 19455), (1085, 11673), (1297, 9765), (1395, 9079), (1953, 6485), (3255, 3891)]