420123448521

素因数分解:

$3^4\times 7^2\times {\mathrm{105851209}}^1$

素因数の和:105851235

約数の個数: 30

約数和(自身を含む): 730055795370

約数和(自身を除く): 309932346849

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 105851209, 317553627, 740958463, 952660881, 2222875389, 2857982643, 5186709241, 6668626167, 8573947929, 15560127723, 20005878501, 46680383169, 60017635503, 140041149507, 420123448521]

約数ペア:

[(1, 420123448521), (3, 140041149507), (7, 60017635503), (9, 46680383169), (21, 20005878501), (27, 15560127723), (49, 8573947929), (63, 6668626167), (81, 5186709241), (147, 2857982643), (189, 2222875389), (441, 952660881), (567, 740958463), (1323, 317553627), (3969, 105851209)]