66812967

素因数分解:

$3^2\times {\mathrm{13}}^3\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:185

約数の個数: 48

約数和(自身を含む): 108908800

約数和(自身を除く): 42095833

約数列:

[1, 3, 9, 13, 31, 39, 93, 109, 117, 169, 279, 327, 403, 507, 981, 1209, 1417, 1521, 2197, 3379, 3627, 4251, 5239, 6591, 10137, 12753, 15717, 18421, 19773, 30411, 43927, 47151, 55263, 68107, 131781, 165789, 204321, 239473, 395343, 571051, 612963, 718419, 1713153, 2155257, 5139459, 7423663, 22270989, 66812967]

約数ペア:

[(1, 66812967), (3, 22270989), (9, 7423663), (13, 5139459), (31, 2155257), (39, 1713153), (93, 718419), (109, 612963), (117, 571051), (169, 395343), (279, 239473), (327, 204321), (403, 165789), (507, 131781), (981, 68107), (1209, 55263), (1417, 47151), (1521, 43927), (2197, 30411), (3379, 19773), (3627, 18421), (4251, 15717), (5239, 12753), (6591, 10137)]