217036287

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{618337}}^1$

素因数の和:618359

約数の個数: 16

約数和(自身を含む): 346269280

約数和(自身を除く): 129232993

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 618337, 1855011, 5565033, 8038381, 16695099, 24115143, 72345429, 217036287]

約数ペア:

[(1, 217036287), (3, 72345429), (9, 24115143), (13, 16695099), (27, 8038381), (39, 5565033), (117, 1855011), (351, 618337)]