28820169

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{24077}}^1$

素因数の和:24109

約数の個数: 24

約数和(自身を含む): 50082240

約数和(自身を除く): 21262071

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 24077, 72231, 168539, 216693, 457463, 505617, 1372389, 1516851, 3202241, 4117167, 9606723, 28820169]

約数ペア:

[(1, 28820169), (3, 9606723), (7, 4117167), (9, 3202241), (19, 1516851), (21, 1372389), (57, 505617), (63, 457463), (133, 216693), (171, 168539), (399, 72231), (1197, 24077)]