1399437

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{443}}^1$

素因数の和:471

約数の個数: 24

約数和(自身を含む): 2262624

約数和(自身を除く): 863187

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 443, 1053, 1329, 3159, 3987, 5759, 11961, 17277, 35883, 51831, 107649, 155493, 466479, 1399437]

約数ペア:

[(1, 1399437), (3, 466479), (9, 155493), (13, 107649), (27, 51831), (39, 35883), (81, 17277), (117, 11961), (243, 5759), (351, 3987), (443, 3159), (1053, 1329)]