869561049

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{857}}^1\times {\mathrm{2543}}^1$

素因数の和:3429

約数の個数: 32

約数和(自身を含む): 1396961280

約数和(自身を除く): 527400231

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 857, 2543, 2571, 5999, 7629, 16283, 17801, 17997, 48317, 48849, 53403, 113981, 144951, 338219, 341943, 1014657, 2179351, 6538053, 15255457, 41407669, 45766371, 124223007, 289853683, 869561049]

約数ペア:

[(1, 869561049), (3, 289853683), (7, 124223007), (19, 45766371), (21, 41407669), (57, 15255457), (133, 6538053), (399, 2179351), (857, 1014657), (2543, 341943), (2571, 338219), (5999, 144951), (7629, 113981), (16283, 53403), (17801, 48849), (17997, 48317)]