67865985

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1987}}^1$

素因数の和:2035

約数の個数: 64

約数和(自身を含む): 137410560

約数和(自身を除く): 69544575

約数列:

[1, 3, 5, 9, 11, 15, 23, 27, 33, 45, 55, 69, 99, 115, 135, 165, 207, 253, 297, 345, 495, 621, 759, 1035, 1265, 1485, 1987, 2277, 3105, 3795, 5961, 6831, 9935, 11385, 17883, 21857, 29805, 34155, 45701, 53649, 65571, 89415, 109285, 137103, 196713, 228505, 268245, 327855, 411309, 502711, 590139, 685515, 983565, 1233927, 1508133, 2056545, 2513555, 2950695, 4524399, 6169635, 7540665, 13573197, 22621995, 67865985]

約数ペア:

[(1, 67865985), (3, 22621995), (5, 13573197), (9, 7540665), (11, 6169635), (15, 4524399), (23, 2950695), (27, 2513555), (33, 2056545), (45, 1508133), (55, 1233927), (69, 983565), (99, 685515), (115, 590139), (135, 502711), (165, 411309), (207, 327855), (253, 268245), (297, 228505), (345, 196713), (495, 137103), (621, 109285), (759, 89415), (1035, 65571), (1265, 53649), (1485, 45701), (1987, 34155), (2277, 29805), (3105, 21857), (3795, 17883), (5961, 11385), (6831, 9935)]