285000855

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1000003}}^1$

素因数の和:1000030

約数の個数: 16

約数和(自身を含む): 480001920

約数和(自身を除く): 195001065

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 1000003, 3000009, 5000015, 15000045, 19000057, 57000171, 95000285, 285000855]

約数ペア:

[(1, 285000855), (3, 95000285), (5, 57000171), (15, 19000057), (19, 15000045), (57, 5000015), (95, 3000009), (285, 1000003)]