1290285

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{541}}^1$

素因数の和:605

約数の個数: 24

約数和(自身を含む): 2282904

約数和(自身を除く): 992619

約数列:

[1, 3, 5, 9, 15, 45, 53, 159, 265, 477, 541, 795, 1623, 2385, 2705, 4869, 8115, 24345, 28673, 86019, 143365, 258057, 430095, 1290285]

約数ペア:

[(1, 1290285), (3, 430095), (5, 258057), (9, 143365), (15, 86019), (45, 28673), (53, 24345), (159, 8115), (265, 4869), (477, 2705), (541, 2385), (795, 1623)]