28747089

素因数分解:

$3^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1709}}^1$

素因数の和:1814

約数の個数: 32

約数和(自身を含む): 49248000

約数和(自身を除く): 20500911

約数列:

[1, 3, 7, 9, 21, 27, 63, 89, 189, 267, 623, 801, 1709, 1869, 2403, 5127, 5607, 11963, 15381, 16821, 35889, 46143, 107667, 152101, 323001, 456303, 1064707, 1368909, 3194121, 4106727, 9582363, 28747089]

約数ペア:

[(1, 28747089), (3, 9582363), (7, 4106727), (9, 3194121), (21, 1368909), (27, 1064707), (63, 456303), (89, 323001), (189, 152101), (267, 107667), (623, 46143), (801, 35889), (1709, 16821), (1869, 15381), (2403, 11963), (5127, 5607)]