28472913

素因数分解:

$3^2\times 7^1\times {\mathrm{283}}^1\times {\mathrm{1597}}^1$

素因数の和:1893

約数の個数: 24

約数和(自身を含む): 47198528

約数和(自身を除く): 18725615

約数列:

[1, 3, 7, 9, 21, 63, 283, 849, 1597, 1981, 2547, 4791, 5943, 11179, 14373, 17829, 33537, 100611, 451951, 1355853, 3163657, 4067559, 9490971, 28472913]

約数ペア:

[(1, 28472913), (3, 9490971), (7, 4067559), (9, 3163657), (21, 1355853), (63, 451951), (283, 100611), (849, 33537), (1597, 17829), (1981, 14373), (2547, 11179), (4791, 5943)]