66378555

素因数分解:

$3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:285

約数の個数: 64

約数和(自身を含む): 123338880

約数和(自身を除く): 56960325

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 97, 111, 135, 137, 185, 291, 333, 411, 485, 555, 685, 873, 999, 1233, 1455, 1665, 2055, 2619, 3589, 3699, 4365, 4995, 5069, 6165, 10767, 13095, 13289, 15207, 17945, 18495, 25345, 32301, 39867, 45621, 53835, 66445, 76035, 96903, 119601, 136863, 161505, 199335, 228105, 358803, 484515, 491693, 598005, 684315, 1475079, 1794015, 2458465, 4425237, 7375395, 13275711, 22126185, 66378555]

約数ペア:

[(1, 66378555), (3, 22126185), (5, 13275711), (9, 7375395), (15, 4425237), (27, 2458465), (37, 1794015), (45, 1475079), (97, 684315), (111, 598005), (135, 491693), (137, 484515), (185, 358803), (291, 228105), (333, 199335), (411, 161505), (485, 136863), (555, 119601), (685, 96903), (873, 76035), (999, 66445), (1233, 53835), (1455, 45621), (1665, 39867), (2055, 32301), (2619, 25345), (3589, 18495), (3699, 17945), (4365, 15207), (4995, 13289), (5069, 13095), (6165, 10767)]