1915740405

素因数分解:

$3^2\times 5^1\times {\mathrm{42572009}}^1$

素因数の和:42572020

約数の個数: 12

約数和(自身を含む): 3320616780

約数和(自身を除く): 1404876375

約数列:

[1, 3, 5, 9, 15, 45, 42572009, 127716027, 212860045, 383148081, 638580135, 1915740405]

約数ペア:

[(1, 1915740405), (3, 638580135), (5, 383148081), (9, 212860045), (15, 127716027), (45, 42572009)]