3978663

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{353}}^1$

素因数の和:403

約数の個数: 24

約数和(自身を含む): 6085968

約数和(自身を除く): 2107305

約数列:

[1, 3, 13, 17, 39, 51, 221, 289, 353, 663, 867, 1059, 3757, 4589, 6001, 11271, 13767, 18003, 78013, 102017, 234039, 306051, 1326221, 3978663]

約数ペア:

[(1, 3978663), (3, 1326221), (13, 306051), (17, 234039), (39, 102017), (51, 78013), (221, 18003), (289, 13767), (353, 11271), (663, 6001), (867, 4589), (1059, 3757)]