128776011

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{20509}}^1$

素因数の和:20555

約数の個数: 32

約数和(自身を含む): 220523520

約数和(自身を除く): 91747509

約数列:

[1, 3, 7, 13, 21, 23, 39, 69, 91, 161, 273, 299, 483, 897, 2093, 6279, 20509, 61527, 143563, 266617, 430689, 471707, 799851, 1415121, 1866319, 3301949, 5598957, 6132191, 9905847, 18396573, 42925337, 128776011]

約数ペア:

[(1, 128776011), (3, 42925337), (7, 18396573), (13, 9905847), (21, 6132191), (23, 5598957), (39, 3301949), (69, 1866319), (91, 1415121), (161, 799851), (273, 471707), (299, 430689), (483, 266617), (897, 143563), (2093, 61527), (6279, 20509)]