12691815

素因数分解:

$3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{3371}}^1$

素因数の和:3630

約数の個数: 16

約数和(自身を含む): 20393856

約数和(自身を除く): 7702041

約数列:

[1, 3, 5, 15, 251, 753, 1255, 3371, 3765, 10113, 16855, 50565, 846121, 2538363, 4230605, 12691815]

約数ペア:

[(1, 12691815), (3, 4230605), (5, 2538363), (15, 846121), (251, 50565), (753, 16855), (1255, 10113), (3371, 3765)]