16127991

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{787}}^1$

素因数の和:833

約数の個数: 40

約数和(自身を含む): 27460224

約数和(自身を除く): 11332233

約数列:

[1, 3, 9, 11, 23, 27, 33, 69, 81, 99, 207, 253, 297, 621, 759, 787, 891, 1863, 2277, 2361, 6831, 7083, 8657, 18101, 20493, 21249, 25971, 54303, 63747, 77913, 162909, 199111, 233739, 488727, 597333, 701217, 1466181, 1791999, 5375997, 16127991]

約数ペア:

[(1, 16127991), (3, 5375997), (9, 1791999), (11, 1466181), (23, 701217), (27, 597333), (33, 488727), (69, 233739), (81, 199111), (99, 162909), (207, 77913), (253, 63747), (297, 54303), (621, 25971), (759, 21249), (787, 20493), (891, 18101), (1863, 8657), (2277, 7083), (2361, 6831)]