64408239

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{15259}}^1$

素因数の和:15339

約数の個数: 24

約数和(自身を含む): 107918720

約数和(自身を除く): 43510481

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 4221, 15259, 45777, 106813, 137331, 320439, 961317, 1022353, 3067059, 7156471, 9201177, 21469413, 64408239]

約数ペア:

[(1, 64408239), (3, 21469413), (7, 9201177), (9, 7156471), (21, 3067059), (63, 1022353), (67, 961317), (201, 320439), (469, 137331), (603, 106813), (1407, 45777), (4221, 15259)]