28263285

素因数分解:

$3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{7057}}^1$

素因数の和:7157

約数の個数: 24

約数和(自身を含む): 49547160

約数和(自身を除く): 21283875

約数列:

[1, 3, 5, 9, 15, 45, 89, 267, 445, 801, 1335, 4005, 7057, 21171, 35285, 63513, 105855, 317565, 628073, 1884219, 3140365, 5652657, 9421095, 28263285]

約数ペア:

[(1, 28263285), (3, 9421095), (5, 5652657), (9, 3140365), (15, 1884219), (45, 628073), (89, 317565), (267, 105855), (445, 63513), (801, 35285), (1335, 21171), (4005, 7057)]