28425285

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{90239}}^1$

素因数の和:90257

約数の個数: 24

約数和(自身を含む): 56309760

約数和(自身を除く): 27884475

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 90239, 270717, 451195, 631673, 812151, 1353585, 1895019, 3158365, 4060755, 5685057, 9475095, 28425285]

約数ペア:

[(1, 28425285), (3, 9475095), (5, 5685057), (7, 4060755), (9, 3158365), (15, 1895019), (21, 1353585), (35, 812151), (45, 631673), (63, 451195), (105, 270717), (315, 90239)]