68938331

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{443}}^1$

素因数の和:551

約数の個数: 32

約数和(自身を含む): 90021888

約数和(自身を除く): 21083557

約数列:

[1, 7, 11, 43, 47, 77, 301, 329, 443, 473, 517, 2021, 3101, 3311, 3619, 4873, 14147, 19049, 20821, 22231, 34111, 133343, 145747, 155617, 209539, 229031, 895303, 1466773, 1603217, 6267121, 9848333, 68938331]

約数ペア:

[(1, 68938331), (7, 9848333), (11, 6267121), (43, 1603217), (47, 1466773), (77, 895303), (301, 229031), (329, 209539), (443, 155617), (473, 145747), (517, 133343), (2021, 34111), (3101, 22231), (3311, 20821), (3619, 19049), (4873, 14147)]