259431339

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{3389}}^1$

素因数の和:3507

約数の個数: 32

約数和(自身を含む): 390528000

約数和(自身を除く): 131096661

約数列:

[1, 3, 17, 19, 51, 57, 79, 237, 323, 969, 1343, 1501, 3389, 4029, 4503, 10167, 25517, 57613, 64391, 76551, 172839, 193173, 267731, 803193, 1094647, 3283941, 4551427, 5086889, 13654281, 15260667, 86477113, 259431339]

約数ペア:

[(1, 259431339), (3, 86477113), (17, 15260667), (19, 13654281), (51, 5086889), (57, 4551427), (79, 3283941), (237, 1094647), (323, 803193), (969, 267731), (1343, 193173), (1501, 172839), (3389, 76551), (4029, 64391), (4503, 57613), (10167, 25517)]