28091691

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{11959}}^1$

素因数の和:12000

約数の個数: 20

約数和(自身を含む): 43414800

約数和(自身を除く): 15323109

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 11959, 35877, 107631, 322893, 346811, 968679, 1040433, 3121299, 9363897, 28091691]

約数ペア:

[(1, 28091691), (3, 9363897), (9, 3121299), (27, 1040433), (29, 968679), (81, 346811), (87, 322893), (261, 107631), (783, 35877), (2349, 11959)]