9920169

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2971}}^1$

素因数の和:3037

約数の個数: 24

約数和(自身を含む): 16690752

約数和(自身を除く): 6770583

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 371, 477, 1113, 2971, 3339, 8913, 20797, 26739, 62391, 157463, 187173, 472389, 1102241, 1417167, 3306723, 9920169]

約数ペア:

[(1, 9920169), (3, 3306723), (7, 1417167), (9, 1102241), (21, 472389), (53, 187173), (63, 157463), (159, 62391), (371, 26739), (477, 20797), (1113, 8913), (2971, 3339)]