12743661

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{41}}^2$

素因数の和:130

約数の個数: 36

約数和(自身を含む): 21006816

約数和(自身を除く): 8263155

約数列:

[1, 3, 7, 19, 21, 41, 57, 123, 133, 287, 361, 399, 779, 861, 1083, 1681, 2337, 2527, 5043, 5453, 7581, 11767, 14801, 16359, 31939, 35301, 44403, 95817, 103607, 223573, 310821, 606841, 670719, 1820523, 4247887, 12743661]

約数ペア:

[(1, 12743661), (3, 4247887), (7, 1820523), (19, 670719), (21, 606841), (41, 310821), (57, 223573), (123, 103607), (133, 95817), (287, 44403), (361, 35301), (399, 31939), (779, 16359), (861, 14801), (1083, 11767), (1681, 7581), (2337, 5453), (2527, 5043)]