80721117

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{61}}^1$

素因数の和:152

約数の個数: 60

約数和(自身を含む): 134090748

約数和(自身を除く): 53369631

約数列:

[1, 3, 9, 17, 27, 31, 51, 61, 81, 93, 153, 183, 279, 459, 527, 549, 837, 961, 1037, 1377, 1581, 1647, 1891, 2511, 2883, 3111, 4743, 4941, 5673, 8649, 9333, 14229, 16337, 17019, 25947, 27999, 32147, 42687, 49011, 51057, 58621, 77841, 83997, 96441, 147033, 153171, 175863, 289323, 441099, 527589, 867969, 996557, 1323297, 1582767, 2603907, 2989671, 4748301, 8969013, 26907039, 80721117]

約数ペア:

[(1, 80721117), (3, 26907039), (9, 8969013), (17, 4748301), (27, 2989671), (31, 2603907), (51, 1582767), (61, 1323297), (81, 996557), (93, 867969), (153, 527589), (183, 441099), (279, 289323), (459, 175863), (527, 153171), (549, 147033), (837, 96441), (961, 83997), (1037, 77841), (1377, 58621), (1581, 51057), (1647, 49011), (1891, 42687), (2511, 32147), (2883, 27999), (3111, 25947), (4743, 17019), (4941, 16337), (5673, 14229), (8649, 9333)]