10531215

素因数分解:

$3^4\times 5^1\times {\mathrm{26003}}^1$

素因数の和:26020

約数の個数: 20

約数和(自身を含む): 18878904

約数和(自身を除く): 8347689

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 26003, 78009, 130015, 234027, 390045, 702081, 1170135, 2106243, 3510405, 10531215]

約数ペア:

[(1, 10531215), (3, 3510405), (5, 2106243), (9, 1170135), (15, 702081), (27, 390045), (45, 234027), (81, 130015), (135, 78009), (405, 26003)]