67812213

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1\times {\mathrm{293}}^1$

素因数の和:513

約数の個数: 32

約数和(自身を含む): 105670656

約数和(自身を除く): 37858443

約数列:

[1, 3, 7, 21, 103, 107, 293, 309, 321, 721, 749, 879, 2051, 2163, 2247, 6153, 11021, 30179, 31351, 33063, 77147, 90537, 94053, 211253, 219457, 231441, 633759, 658371, 3229153, 9687459, 22604071, 67812213]

約数ペア:

[(1, 67812213), (3, 22604071), (7, 9687459), (21, 3229153), (103, 658371), (107, 633759), (293, 231441), (309, 219457), (321, 211253), (721, 94053), (749, 90537), (879, 77147), (2051, 33063), (2163, 31351), (2247, 30179), (6153, 11021)]