17925531

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1423}}^1$

素因数の和:1475

約数の個数: 32

約数和(自身を含む): 28707840

約数和(自身を除く): 10782309

約数列:

[1, 3, 13, 17, 19, 39, 51, 57, 221, 247, 323, 663, 741, 969, 1423, 4199, 4269, 12597, 18499, 24191, 27037, 55497, 72573, 81111, 314483, 351481, 459629, 943449, 1054443, 1378887, 5975177, 17925531]

約数ペア:

[(1, 17925531), (3, 5975177), (13, 1378887), (17, 1054443), (19, 943449), (39, 459629), (51, 351481), (57, 314483), (221, 81111), (247, 72573), (323, 55497), (663, 27037), (741, 24191), (969, 18499), (1423, 12597), (4199, 4269)]