28426797

素因数分解:

$3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{4217}}^1$

素因数の和:4337

約数の個数: 24

約数和(自身を含む): 47376576

約数和(自身を除く): 18949779

約数列:

[1, 3, 7, 9, 21, 63, 107, 321, 749, 963, 2247, 4217, 6741, 12651, 29519, 37953, 88557, 265671, 451219, 1353657, 3158533, 4060971, 9475599, 28426797]

約数ペア:

[(1, 28426797), (3, 9475599), (7, 4060971), (9, 3158533), (21, 1353657), (63, 451219), (107, 265671), (321, 88557), (749, 37953), (963, 29519), (2247, 12651), (4217, 6741)]