28991661

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{4721}}^1$

素因数の和:4836

約数の個数: 16

約数和(自身を含む): 40798080

約数和(自身を除く): 11806419

約数列:

[1, 3, 23, 69, 89, 267, 2047, 4721, 6141, 14163, 108583, 325749, 420169, 1260507, 9663887, 28991661]

約数ペア:

[(1, 28991661), (3, 9663887), (23, 1260507), (69, 420169), (89, 325749), (267, 108583), (2047, 14163), (4721, 6141)]