1457393721

素因数分解:

$3^1\times 7^2\times {\mathrm{701}}^1\times {\mathrm{14143}}^1$

素因数の和:14861

約数の個数: 24

約数和(自身を含む): 2263832064

約数和(自身を除く): 806438343

約数列:

[1, 3, 7, 21, 49, 147, 701, 2103, 4907, 14143, 14721, 34349, 42429, 99001, 103047, 297003, 693007, 2079021, 9914243, 29742729, 69399701, 208199103, 485797907, 1457393721]

約数ペア:

[(1, 1457393721), (3, 485797907), (7, 208199103), (21, 69399701), (49, 29742729), (147, 9914243), (701, 2079021), (2103, 693007), (4907, 297003), (14143, 103047), (14721, 99001), (34349, 42429)]