28168125

素因数分解:

$3^1\times 5^4\times {\mathrm{83}}^1\times {\mathrm{181}}^1$

素因数の和:287

約数の個数: 40

約数和(自身を含む): 47759712

約数和(自身を除く): 19591587

約数列:

[1, 3, 5, 15, 25, 75, 83, 125, 181, 249, 375, 415, 543, 625, 905, 1245, 1875, 2075, 2715, 4525, 6225, 10375, 13575, 15023, 22625, 31125, 45069, 51875, 67875, 75115, 113125, 155625, 225345, 339375, 375575, 1126725, 1877875, 5633625, 9389375, 28168125]

約数ペア:

[(1, 28168125), (3, 9389375), (5, 5633625), (15, 1877875), (25, 1126725), (75, 375575), (83, 339375), (125, 225345), (181, 155625), (249, 113125), (375, 75115), (415, 67875), (543, 51875), (625, 45069), (905, 31125), (1245, 22625), (1875, 15023), (2075, 13575), (2715, 10375), (4525, 6225)]