215560899

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{4889}}^1$

素因数の和:4992

約数の個数: 32

約数和(自身を含む): 337996800

約数和(自身を除く): 122435901

約数列:

[1, 3, 9, 23, 27, 69, 71, 207, 213, 621, 639, 1633, 1917, 4889, 4899, 14667, 14697, 44001, 44091, 112447, 132003, 337341, 347119, 1012023, 1041357, 3036069, 3124071, 7983737, 9372213, 23951211, 71853633, 215560899]

約数ペア:

[(1, 215560899), (3, 71853633), (9, 23951211), (23, 9372213), (27, 7983737), (69, 3124071), (71, 3036069), (207, 1041357), (213, 1012023), (621, 347119), (639, 337341), (1633, 132003), (1917, 112447), (4889, 44091), (4899, 44001), (14667, 14697)]