401064777

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{215279}}^1$

素因数の和:215314

約数の個数: 20

約数和(自身を含む): 625173120

約数和(自身を除く): 224108343

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 215279, 645837, 1937511, 4951417, 5812533, 14854251, 17437599, 44562753, 133688259, 401064777]

約数ペア:

[(1, 401064777), (3, 133688259), (9, 44562753), (23, 17437599), (27, 14854251), (69, 5812533), (81, 4951417), (207, 1937511), (621, 645837), (1863, 215279)]