1260945

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{4003}}^1$

素因数の和:4021

約数の個数: 24

約数和(自身を含む): 2498496

約数和(自身を除く): 1237551

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 4003, 12009, 20015, 28021, 36027, 60045, 84063, 140105, 180135, 252189, 420315, 1260945]

約数ペア:

[(1, 1260945), (3, 420315), (5, 252189), (7, 180135), (9, 140105), (15, 84063), (21, 60045), (35, 36027), (45, 28021), (63, 20015), (105, 12009), (315, 4003)]