157789005

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^2\times {\mathrm{257}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 281092032

約数和(自身を除く): 123303027

約数列:

[1, 3, 5, 11, 15, 33, 55, 61, 165, 183, 257, 305, 671, 771, 915, 1285, 2013, 2827, 3355, 3721, 3855, 8481, 10065, 11163, 14135, 15677, 18605, 40931, 42405, 47031, 55815, 78385, 122793, 172447, 204655, 235155, 517341, 613965, 862235, 956297, 2586705, 2868891, 4781485, 10519267, 14344455, 31557801, 52596335, 157789005]

約数ペア:

[(1, 157789005), (3, 52596335), (5, 31557801), (11, 14344455), (15, 10519267), (33, 4781485), (55, 2868891), (61, 2586705), (165, 956297), (183, 862235), (257, 613965), (305, 517341), (671, 235155), (771, 204655), (915, 172447), (1285, 122793), (2013, 78385), (2827, 55815), (3355, 47031), (3721, 42405), (3855, 40931), (8481, 18605), (10065, 15677), (11163, 14135)]