28750755

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{1069}}^1$

素因数の和:1251

約数の個数: 32

約数和(自身を含む): 50538240

約数和(自身を除く): 21787485

約数列:

[1, 3, 5, 11, 15, 33, 55, 163, 165, 489, 815, 1069, 1793, 2445, 3207, 5345, 5379, 8965, 11759, 16035, 26895, 35277, 58795, 174247, 176385, 522741, 871235, 1916717, 2613705, 5750151, 9583585, 28750755]

約数ペア:

[(1, 28750755), (3, 9583585), (5, 5750151), (11, 2613705), (15, 1916717), (33, 871235), (55, 522741), (163, 176385), (165, 174247), (489, 58795), (815, 35277), (1069, 26895), (1793, 16035), (2445, 11759), (3207, 8965), (5345, 5379)]