28261149

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{15121}}^1$

素因数の和:15220

約数の個数: 16

約数和(自身を含む): 43551360

約数和(自身を除く): 15290211

約数列:

[1, 3, 7, 21, 89, 267, 623, 1869, 15121, 45363, 105847, 317541, 1345769, 4037307, 9420383, 28261149]

約数ペア:

[(1, 28261149), (3, 9420383), (7, 4037307), (21, 1345769), (89, 317541), (267, 105847), (623, 45363), (1869, 15121)]