51485721

素因数分解:

$3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{4933}}^1$

素因数の和:5021

約数の個数: 24

約数和(自身を含む): 80996544

約数和(自身を除く): 29510823

約数列:

[1, 3, 7, 21, 49, 71, 147, 213, 497, 1491, 3479, 4933, 10437, 14799, 34531, 103593, 241717, 350243, 725151, 1050729, 2451701, 7355103, 17161907, 51485721]

約数ペア:

[(1, 51485721), (3, 17161907), (7, 7355103), (21, 2451701), (49, 1050729), (71, 725151), (147, 350243), (213, 241717), (497, 103593), (1491, 34531), (3479, 14799), (4933, 10437)]