12970269

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6521}}^1$

素因数の和:6557

約数の個数: 24

約数和(自身を含む): 21366072

約数和(自身を除く): 8395803

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 6521, 19563, 58689, 84773, 110857, 254319, 332571, 762957, 997713, 1441141, 4323423, 12970269]

約数ペア:

[(1, 12970269), (3, 4323423), (9, 1441141), (13, 997713), (17, 762957), (39, 332571), (51, 254319), (117, 110857), (153, 84773), (221, 58689), (663, 19563), (1989, 6521)]