428719785

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{15817}}^1$

素因数の和:15977

約数の個数: 32

約数和(自身を含む): 744078720

約数和(自身を除く): 315358935

約数列:

[1, 3, 5, 13, 15, 39, 65, 139, 195, 417, 695, 1807, 2085, 5421, 9035, 15817, 27105, 47451, 79085, 205621, 237255, 616863, 1028105, 2198563, 3084315, 6595689, 10992815, 28581319, 32978445, 85743957, 142906595, 428719785]

約数ペア:

[(1, 428719785), (3, 142906595), (5, 85743957), (13, 32978445), (15, 28581319), (39, 10992815), (65, 6595689), (139, 3084315), (195, 2198563), (417, 1028105), (695, 616863), (1807, 237255), (2085, 205621), (5421, 79085), (9035, 47451), (15817, 27105)]