13290561

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{2311}}^1$

素因数の和:2394

約数の個数: 20

約数和(自身を含む): 20142144

約数和(自身を除く): 6851583

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 2311, 5751, 6933, 20799, 62397, 164081, 187191, 492243, 1476729, 4430187, 13290561]

約数ペア:

[(1, 13290561), (3, 4430187), (9, 1476729), (27, 492243), (71, 187191), (81, 164081), (213, 62397), (639, 20799), (1917, 6933), (2311, 5751)]