8421225

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{2389}}^1$

素因数の和:2449

約数の個数: 24

約数和(自身を含む): 14225280

約数和(自身を除く): 5804055

約数列:

[1, 3, 5, 15, 25, 47, 75, 141, 235, 705, 1175, 2389, 3525, 7167, 11945, 35835, 59725, 112283, 179175, 336849, 561415, 1684245, 2807075, 8421225]

約数ペア:

[(1, 8421225), (3, 2807075), (5, 1684245), (15, 561415), (25, 336849), (47, 179175), (75, 112283), (141, 59725), (235, 35835), (705, 11945), (1175, 7167), (2389, 3525)]