13215681

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{5081}}^1$

素因数の和:5121

約数の個数: 18

約数和(自身を含む): 20282262

約数和(自身を除く): 7066581

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 5081, 15243, 45729, 86377, 259131, 777393, 1468409, 4405227, 13215681]

約数ペア:

[(1, 13215681), (3, 4405227), (9, 1468409), (17, 777393), (51, 259131), (153, 86377), (289, 45729), (867, 15243), (2601, 5081)]