12890709

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6481}}^1$

素因数の和:6517

約数の個数: 24

約数和(自身を含む): 21235032

約数和(自身を除く): 8344323

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 6481, 19443, 58329, 84253, 110177, 252759, 330531, 758277, 991593, 1432301, 4296903, 12890709]

約数ペア:

[(1, 12890709), (3, 4296903), (9, 1432301), (13, 991593), (17, 758277), (39, 330531), (51, 252759), (117, 110177), (153, 84253), (221, 58329), (663, 19443), (1989, 6481)]