12993729

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{2141}}^1$

素因数の和:2185

約数の個数: 24

約数和(自身を含む): 21043008

約数和(自身を除く): 8049279

約数列:

[1, 3, 7, 17, 21, 51, 119, 289, 357, 867, 2023, 2141, 6069, 6423, 14987, 36397, 44961, 109191, 254779, 618749, 764337, 1856247, 4331243, 12993729]

約数ペア:

[(1, 12993729), (3, 4331243), (7, 1856247), (17, 764337), (21, 618749), (51, 254779), (119, 109191), (289, 44961), (357, 36397), (867, 14987), (2023, 6423), (2141, 6069)]