285165891

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{19403}}^1$

素因数の和:19503

約数の個数: 24

約数和(自身を含む): 435891456

約数和(自身を除く): 150725565

約数列:

[1, 3, 9, 23, 69, 71, 207, 213, 639, 1633, 4899, 14697, 19403, 58209, 174627, 446269, 1338807, 1377613, 4016421, 4132839, 12398517, 31685099, 95055297, 285165891]

約数ペア:

[(1, 285165891), (3, 95055297), (9, 31685099), (23, 12398517), (69, 4132839), (71, 4016421), (207, 1377613), (213, 1338807), (639, 446269), (1633, 174627), (4899, 58209), (14697, 19403)]