211327299

素因数分解:

$3^4\times {\mathrm{311}}^1\times {\mathrm{8389}}^1$

素因数の和:8712

約数の個数: 20

約数和(自身を含む): 316739280

約数和(自身を除く): 105411981

約数列:

[1, 3, 9, 27, 81, 311, 933, 2799, 8389, 8397, 25167, 25191, 75501, 226503, 679509, 2608979, 7826937, 23480811, 70442433, 211327299]

約数ペア:

[(1, 211327299), (3, 70442433), (9, 23480811), (27, 7826937), (81, 2608979), (311, 679509), (933, 226503), (2799, 75501), (8389, 25191), (8397, 25167)]