66866319

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{1619}}^1$

素因数の和:1991

約数の個数: 24

約数和(自身を含む): 104373360

約数和(自身を除く): 37507041

約数列:

[1, 3, 9, 13, 39, 117, 353, 1059, 1619, 3177, 4589, 4857, 13767, 14571, 21047, 41301, 63141, 189423, 571507, 1714521, 5143563, 7429591, 22288773, 66866319]

約数ペア:

[(1, 66866319), (3, 22288773), (9, 7429591), (13, 5143563), (39, 1714521), (117, 571507), (353, 189423), (1059, 63141), (1619, 41301), (3177, 21047), (4589, 14571), (4857, 13767)]