16521957

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{281}}^1$

素因数の和:473

約数の個数: 24

約数和(自身を含む): 24635520

約数和(自身を除く): 8113563

約数列:

[1, 3, 9, 47, 139, 141, 281, 417, 423, 843, 1251, 2529, 6533, 13207, 19599, 39059, 39621, 58797, 117177, 118863, 351531, 1835773, 5507319, 16521957]

約数ペア:

[(1, 16521957), (3, 5507319), (9, 1835773), (47, 351531), (139, 118863), (141, 117177), (281, 58797), (417, 39621), (423, 39059), (843, 19599), (1251, 13207), (2529, 6533)]