13306979931

素因数分解:

$3^1\times 7^2\times {\mathrm{353}}^1\times {\mathrm{256441}}^1$

素因数の和:256811

約数の個数: 24

約数和(自身を含む): 20697946704

約数和(自身を除く): 7390966773

約数列:

[1, 3, 7, 21, 49, 147, 353, 1059, 2471, 7413, 17297, 51891, 256441, 769323, 1795087, 5385261, 12565609, 37696827, 90523673, 271571019, 633665711, 1900997133, 4435659977, 13306979931]

約数ペア:

[(1, 13306979931), (3, 4435659977), (7, 1900997133), (21, 633665711), (49, 271571019), (147, 90523673), (353, 37696827), (1059, 12565609), (2471, 5385261), (7413, 1795087), (17297, 769323), (51891, 256441)]