27690733

素因数分解:

$7^4\times {\mathrm{19}}^1\times {\mathrm{607}}^1$

素因数の和:654

約数の個数: 20

約数和(自身を含む): 34060160

約数和(自身を除く): 6369427

約数列:

[1, 7, 19, 49, 133, 343, 607, 931, 2401, 4249, 6517, 11533, 29743, 45619, 80731, 208201, 565117, 1457407, 3955819, 27690733]

約数ペア:

[(1, 27690733), (7, 3955819), (19, 1457407), (49, 565117), (133, 208201), (343, 80731), (607, 45619), (931, 29743), (2401, 11533), (4249, 6517)]