78387969

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{139729}}^1$

素因数の和:139760

約数の個数: 16

約数和(自身を含む): 120726720

約数和(自身を除く): 42338751

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 139729, 419187, 1537019, 2375393, 4611057, 7126179, 26129323, 78387969]

約数ペア:

[(1, 78387969), (3, 26129323), (11, 7126179), (17, 4611057), (33, 2375393), (51, 1537019), (187, 419187), (561, 139729)]