217339917

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{1063}}^1$

素因数の和:1313

約数の個数: 32

約数和(自身を含む): 324817920

約数和(自身を除く): 107478003

約数列:

[1, 3, 17, 19, 51, 57, 211, 323, 633, 969, 1063, 3189, 3587, 4009, 10761, 12027, 18071, 20197, 54213, 60591, 68153, 204459, 224293, 343349, 672879, 1030047, 3812981, 4261567, 11438943, 12784701, 72446639, 217339917]

約数ペア:

[(1, 217339917), (3, 72446639), (17, 12784701), (19, 11438943), (51, 4261567), (57, 3812981), (211, 1030047), (323, 672879), (633, 343349), (969, 224293), (1063, 204459), (3189, 68153), (3587, 60591), (4009, 54213), (10761, 20197), (12027, 18071)]