999861405

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{40819}}^1$

素因数の和:40921

約数の個数: 32

約数和(自身を含む): 1692887040

約数和(自身を除く): 693025635

約数列:

[1, 3, 5, 15, 23, 69, 71, 115, 213, 345, 355, 1065, 1633, 4899, 8165, 24495, 40819, 122457, 204095, 612285, 938837, 2816511, 2898149, 4694185, 8694447, 14082555, 14490745, 43472235, 66657427, 199972281, 333287135, 999861405]

約数ペア:

[(1, 999861405), (3, 333287135), (5, 199972281), (15, 66657427), (23, 43472235), (69, 14490745), (71, 14082555), (115, 8694447), (213, 4694185), (345, 2898149), (355, 2816511), (1065, 938837), (1633, 612285), (4899, 204095), (8165, 122457), (24495, 40819)]