66916719

素因数分解:

$3^3\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:668

約数の個数: 32

約数和(自身を含む): 102228480

約数和(自身を除く): 35311761

約数列:

[1, 3, 9, 27, 67, 71, 201, 213, 521, 603, 639, 1563, 1809, 1917, 4689, 4757, 14067, 14271, 34907, 36991, 42813, 104721, 110973, 128439, 314163, 332919, 942489, 998757, 2478397, 7435191, 22305573, 66916719]

約数ペア:

[(1, 66916719), (3, 22305573), (9, 7435191), (27, 2478397), (67, 998757), (71, 942489), (201, 332919), (213, 314163), (521, 128439), (603, 110973), (639, 104721), (1563, 42813), (1809, 36991), (1917, 34907), (4689, 14271), (4757, 14067)]