12993981

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4327}}^1$

素因数の和:4361

約数の個数: 32

約数和(自身を含む): 23267328

約数和(自身を除く): 10273347

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 91, 143, 231, 273, 429, 1001, 3003, 4327, 12981, 30289, 47597, 56251, 90867, 142791, 168753, 333179, 393757, 618761, 999537, 1181271, 1856283, 4331327, 12993981]

約数ペア:

[(1, 12993981), (3, 4331327), (7, 1856283), (11, 1181271), (13, 999537), (21, 618761), (33, 393757), (39, 333179), (77, 168753), (91, 142791), (143, 90867), (231, 56251), (273, 47597), (429, 30289), (1001, 12981), (3003, 4327)]