1261896981

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{2657}}^1$

素因数の和:2845

約数の個数: 32

約数和(自身を含む): 1791279360

約数和(自身を除く): 529382379

約数列:

[1, 3, 29, 53, 87, 103, 159, 309, 1537, 2657, 2987, 4611, 5459, 7971, 8961, 16377, 77053, 140821, 158311, 231159, 273671, 422463, 474933, 821013, 4083809, 7936459, 12251427, 14504563, 23809377, 43513689, 420632327, 1261896981]

約数ペア:

[(1, 1261896981), (3, 420632327), (29, 43513689), (53, 23809377), (87, 14504563), (103, 12251427), (159, 7936459), (309, 4083809), (1537, 821013), (2657, 474933), (2987, 422463), (4611, 273671), (5459, 231159), (7971, 158311), (8961, 140821), (16377, 77053)]