11521215

素因数分解:

$3^2\times 5^1\times {\mathrm{503}}^1\times {\mathrm{509}}^1$

素因数の和:1023

約数の個数: 24

約数和(自身を含む): 20049120

約数和(自身を除く): 8527905

約数列:

[1, 3, 5, 9, 15, 45, 503, 509, 1509, 1527, 2515, 2545, 4527, 4581, 7545, 7635, 22635, 22905, 256027, 768081, 1280135, 2304243, 3840405, 11521215]

約数ペア:

[(1, 11521215), (3, 3840405), (5, 2304243), (9, 1280135), (15, 768081), (45, 256027), (503, 22905), (509, 22635), (1509, 7635), (1527, 7545), (2515, 4581), (2545, 4527)]