4949991

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{2657}}^1$

素因数の和:2692

約数の個数: 20

約数和(自身を含む): 7718832

約数和(自身を除く): 2768841

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 2657, 7971, 23913, 61111, 71739, 183333, 215217, 549999, 1649997, 4949991]

約数ペア:

[(1, 4949991), (3, 1649997), (9, 549999), (23, 215217), (27, 183333), (69, 71739), (81, 61111), (207, 23913), (621, 7971), (1863, 2657)]