27989045

素因数分解:

$5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{4967}}^1$

素因数の和:5009

約数の個数: 24

約数和(自身を含む): 40777344

約数和(自身を除く): 12788299

約数列:

[1, 5, 7, 23, 35, 49, 115, 161, 245, 805, 1127, 4967, 5635, 24835, 34769, 114241, 173845, 243383, 571205, 799687, 1216915, 3998435, 5597809, 27989045]

約数ペア:

[(1, 27989045), (5, 5597809), (7, 3998435), (23, 1216915), (35, 799687), (49, 571205), (115, 243383), (161, 173845), (245, 114241), (805, 34769), (1127, 24835), (4967, 5635)]