2907980705

素因数分解:

$5^1\times 7^2\times {\mathrm{431}}^1\times {\mathrm{27539}}^1$

素因数の和:27989

約数の個数: 24

約数和(自身を含む): 4068869760

約数和(自身を除く): 1160889055

約数列:

[1, 5, 7, 35, 49, 245, 431, 2155, 3017, 15085, 21119, 27539, 105595, 137695, 192773, 963865, 1349411, 6747055, 11869309, 59346545, 83085163, 415425815, 581596141, 2907980705]

約数ペア:

[(1, 2907980705), (5, 581596141), (7, 415425815), (35, 83085163), (49, 59346545), (245, 11869309), (431, 6747055), (2155, 1349411), (3017, 963865), (15085, 192773), (21119, 137695), (27539, 105595)]