31240293

素因数分解:

$3^1\times 7^2\times {\mathrm{223}}^1\times {\mathrm{953}}^1$

素因数の和:1193

約数の個数: 24

約数和(自身を含む): 48722688

約数和(自身を除く): 17482395

約数列:

[1, 3, 7, 21, 49, 147, 223, 669, 953, 1561, 2859, 4683, 6671, 10927, 20013, 32781, 46697, 140091, 212519, 637557, 1487633, 4462899, 10413431, 31240293]

約数ペア:

[(1, 31240293), (3, 10413431), (7, 4462899), (21, 1487633), (49, 637557), (147, 212519), (223, 140091), (669, 46697), (953, 32781), (1561, 20013), (2859, 10927), (4683, 6671)]