72975915

素因数分解:

$3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{9949}}^1$

素因数の和:10123

約数の個数: 24

約数和(自身を含む): 127280400

約数和(自身を除く): 54304485

約数列:

[1, 3, 5, 9, 15, 45, 163, 489, 815, 1467, 2445, 7335, 9949, 29847, 49745, 89541, 149235, 447705, 1621687, 4865061, 8108435, 14595183, 24325305, 72975915]

約数ペア:

[(1, 72975915), (3, 24325305), (5, 14595183), (9, 8108435), (15, 4865061), (45, 1621687), (163, 447705), (489, 149235), (815, 89541), (1467, 49745), (2445, 29847), (7335, 9949)]