25645005

素因数分解:

$3^5\times 5^1\times {\mathrm{21107}}^1$

素因数の和:21127

約数の個数: 24

約数和(自身を含む): 46099872

約数和(自身を除く): 20454867

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 21107, 63321, 105535, 189963, 316605, 569889, 949815, 1709667, 2849445, 5129001, 8548335, 25645005]

約数ペア:

[(1, 25645005), (3, 8548335), (5, 5129001), (9, 2849445), (15, 1709667), (27, 949815), (45, 569889), (81, 316605), (135, 189963), (243, 105535), (405, 63321), (1215, 21107)]