1243844991

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{667657}}^1$

素因数の和:667692

約数の個数: 20

約数和(自身を含む): 1938878832

約数和(自身を除く): 695033841

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 667657, 2002971, 6008913, 15356111, 18026739, 46068333, 54080217, 138204999, 414614997, 1243844991]

約数ペア:

[(1, 1243844991), (3, 414614997), (9, 138204999), (23, 54080217), (27, 46068333), (69, 18026739), (81, 15356111), (207, 6008913), (621, 2002971), (1863, 667657)]