28267005

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8527}}^1$

素因数の和:8565

約数の個数: 32

約数和(自身を含む): 51577344

約数和(自身を除く): 23310339

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 8527, 25581, 42635, 110851, 127905, 144959, 332553, 434877, 554255, 724795, 1662765, 1884467, 2174385, 5653401, 9422335, 28267005]

約数ペア:

[(1, 28267005), (3, 9422335), (5, 5653401), (13, 2174385), (15, 1884467), (17, 1662765), (39, 724795), (51, 554255), (65, 434877), (85, 332553), (195, 144959), (221, 127905), (255, 110851), (663, 42635), (1105, 25581), (3315, 8527)]