78818817

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{20071}}^1$

素因数の和:20109

約数の個数: 32

約数和(自身を含む): 138737664

約数和(自身を除く): 59918847

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 187, 231, 357, 561, 1309, 3927, 20071, 60213, 140497, 220781, 341207, 421491, 662343, 1023621, 1545467, 2388449, 3753277, 4636401, 7165347, 11259831, 26272939, 78818817]

約数ペア:

[(1, 78818817), (3, 26272939), (7, 11259831), (11, 7165347), (17, 4636401), (21, 3753277), (33, 2388449), (51, 1545467), (77, 1023621), (119, 662343), (187, 421491), (231, 341207), (357, 220781), (561, 140497), (1309, 60213), (3927, 20071)]