28931661

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1709}}^1$

素因数の和:1751

約数の個数: 40

約数和(自身を含む): 49658400

約数和(自身を除く): 20726739

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 81, 99, 171, 209, 297, 513, 627, 891, 1539, 1709, 1881, 5127, 5643, 15381, 16929, 18799, 32471, 46143, 56397, 97413, 138429, 169191, 292239, 357181, 507573, 876717, 1071543, 1522719, 2630151, 3214629, 9643887, 28931661]

約数ペア:

[(1, 28931661), (3, 9643887), (9, 3214629), (11, 2630151), (19, 1522719), (27, 1071543), (33, 876717), (57, 507573), (81, 357181), (99, 292239), (171, 169191), (209, 138429), (297, 97413), (513, 56397), (627, 46143), (891, 32471), (1539, 18799), (1709, 16929), (1881, 15381), (5127, 5643)]