28178343

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{1009}}^1$

素因数の和:1151

約数の個数: 24

約数和(自身を含む): 42541200

約数和(自身を除く): 14362857

約数列:

[1, 3, 9, 29, 87, 107, 261, 321, 963, 1009, 3027, 3103, 9081, 9309, 27927, 29261, 87783, 107963, 263349, 323889, 971667, 3130927, 9392781, 28178343]

約数ペア:

[(1, 28178343), (3, 9392781), (9, 3130927), (29, 971667), (87, 323889), (107, 263349), (261, 107963), (321, 87783), (963, 29261), (1009, 27927), (3027, 9309), (3103, 9081)]