13221813

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{2689}}^1$

素因数の和:2852

約数の個数: 16

約数和(自身を含む): 19368000

約数和(自身を除く): 6146187

約数列:

[1, 3, 11, 33, 149, 447, 1639, 2689, 4917, 8067, 29579, 88737, 400661, 1201983, 4407271, 13221813]

約数ペア:

[(1, 13221813), (3, 4407271), (11, 1201983), (33, 400661), (149, 88737), (447, 29579), (1639, 8067), (2689, 4917)]