40987317

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{29131}}^1$

素因数の和:29208

約数の個数: 16

約数和(自身を含む): 63391232

約数和(自身を除く): 22403915

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 29131, 87393, 203917, 611751, 1951777, 5855331, 13662439, 40987317]

約数ペア:

[(1, 40987317), (3, 13662439), (7, 5855331), (21, 1951777), (67, 611751), (201, 203917), (469, 87393), (1407, 29131)]