28749915

素因数分解:

$3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{4877}}^1$

素因数の和:5019

約数の個数: 24

約数和(自身を含む): 50223888

約数和(自身を除く): 21473973

約数列:

[1, 3, 5, 9, 15, 45, 131, 393, 655, 1179, 1965, 4877, 5895, 14631, 24385, 43893, 73155, 219465, 638887, 1916661, 3194435, 5749983, 9583305, 28749915]

約数ペア:

[(1, 28749915), (3, 9583305), (5, 5749983), (9, 3194435), (15, 1916661), (45, 638887), (131, 219465), (393, 73155), (655, 43893), (1179, 24385), (1965, 14631), (4877, 5895)]