290438493

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{269}}^1$

素因数の和:517

約数の個数: 32

約数和(自身を含む): 407773440

約数和(自身を除く): 117334947

約数列:

[1, 3, 37, 71, 111, 137, 213, 269, 411, 807, 2627, 5069, 7881, 9727, 9953, 15207, 19099, 29181, 29859, 36853, 57297, 110559, 359899, 706663, 1079697, 1363561, 2119989, 2616563, 4090683, 7849689, 96812831, 290438493]

約数ペア:

[(1, 290438493), (3, 96812831), (37, 7849689), (71, 4090683), (111, 2616563), (137, 2119989), (213, 1363561), (269, 1079697), (411, 706663), (807, 359899), (2627, 110559), (5069, 57297), (7881, 36853), (9727, 29859), (9953, 29181), (15207, 19099)]