85820721

素因数分解:

$3^1\times 7^1\times {\mathrm{1907}}^1\times {\mathrm{2143}}^1$

素因数の和:4060

約数の個数: 16

約数和(自身を含む): 130904064

約数和(自身を除く): 45083343

約数列:

[1, 3, 7, 21, 1907, 2143, 5721, 6429, 13349, 15001, 40047, 45003, 4086701, 12260103, 28606907, 85820721]

約数ペア:

[(1, 85820721), (3, 28606907), (7, 12260103), (21, 4086701), (1907, 45003), (2143, 40047), (5721, 15001), (6429, 13349)]