208037079

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{151}}^1\times {\mathrm{233}}^1$

素因数の和:469

約数の個数: 40

約数和(自身を含む): 318475872

約数和(自身を除く): 110438793

約数列:

[1, 3, 9, 27, 73, 81, 151, 219, 233, 453, 657, 699, 1359, 1971, 2097, 4077, 5913, 6291, 11023, 12231, 17009, 18873, 33069, 35183, 51027, 99207, 105549, 153081, 297621, 316647, 459243, 892863, 949941, 1377729, 2568359, 2849823, 7705077, 23115231, 69345693, 208037079]

約数ペア:

[(1, 208037079), (3, 69345693), (9, 23115231), (27, 7705077), (73, 2849823), (81, 2568359), (151, 1377729), (219, 949941), (233, 892863), (453, 459243), (657, 316647), (699, 297621), (1359, 153081), (1971, 105549), (2097, 99207), (4077, 51027), (5913, 35183), (6291, 33069), (11023, 18873), (12231, 17009)]