13418457

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{547}}^1$

素因数の和:617

約数の個数: 32

約数和(自身を含む): 20990592

約数和(自身を除く): 7572135

約数列:

[1, 3, 13, 17, 37, 39, 51, 111, 221, 481, 547, 629, 663, 1443, 1641, 1887, 7111, 8177, 9299, 20239, 21333, 24531, 27897, 60717, 120887, 263107, 344063, 362661, 789321, 1032189, 4472819, 13418457]

約数ペア:

[(1, 13418457), (3, 4472819), (13, 1032189), (17, 789321), (37, 362661), (39, 344063), (51, 263107), (111, 120887), (221, 60717), (481, 27897), (547, 24531), (629, 21333), (663, 20239), (1443, 9299), (1641, 8177), (1887, 7111)]