1290715305

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{181919}}^1$

素因数の和:181981

約数の個数: 32

約数和(自身を含む): 2305290240

約数和(自身を除く): 1014574935

約数列:

[1, 3, 5, 11, 15, 33, 43, 55, 129, 165, 215, 473, 645, 1419, 2365, 7095, 181919, 545757, 909595, 2001109, 2728785, 6003327, 7822517, 10005545, 23467551, 30016635, 39112585, 86047687, 117337755, 258143061, 430238435, 1290715305]

約数ペア:

[(1, 1290715305), (3, 430238435), (5, 258143061), (11, 117337755), (15, 86047687), (33, 39112585), (43, 30016635), (55, 23467551), (129, 10005545), (165, 7822517), (215, 6003327), (473, 2728785), (645, 2001109), (1419, 909595), (2365, 545757), (7095, 181919)]