206517771

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{4091}}^1$

素因数の和:4247

約数の個数: 24

約数和(自身を含む): 306408960

約数和(自身を除く): 99891189

約数列:

[1, 3, 9, 71, 79, 213, 237, 639, 711, 4091, 5609, 12273, 16827, 36819, 50481, 290461, 323189, 871383, 969567, 2614149, 2908701, 22946419, 68839257, 206517771]

約数ペア:

[(1, 206517771), (3, 68839257), (9, 22946419), (71, 2908701), (79, 2614149), (213, 969567), (237, 871383), (639, 323189), (711, 290461), (4091, 50481), (5609, 36819), (12273, 16827)]