1329390723

素因数分解:

$3^1\times {\mathrm{37}}^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 1906136064

約数和(自身を除く): 576745341

約数列:

[1, 3, 37, 47, 71, 97, 111, 141, 213, 291, 1369, 1739, 2627, 3337, 3589, 4107, 4559, 5217, 6887, 7881, 10011, 10767, 13677, 20661, 64343, 97199, 123469, 132793, 168683, 193029, 254819, 291597, 323689, 370407, 398379, 506049, 764457, 971067, 4568353, 6241271, 9428303, 11976493, 13705059, 18723813, 28284909, 35929479, 443130241, 1329390723]

約数ペア:

[(1, 1329390723), (3, 443130241), (37, 35929479), (47, 28284909), (71, 18723813), (97, 13705059), (111, 11976493), (141, 9428303), (213, 6241271), (291, 4568353), (1369, 971067), (1739, 764457), (2627, 506049), (3337, 398379), (3589, 370407), (4107, 323689), (4559, 291597), (5217, 254819), (6887, 193029), (7881, 168683), (10011, 132793), (10767, 123469), (13677, 97199), (20661, 64343)]