128337723

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:273

約数の個数: 64

約数和(自身を含む): 213120000

約数和(自身を除く): 84782277

約数列:

[1, 3, 9, 19, 23, 27, 57, 69, 73, 149, 171, 207, 219, 437, 447, 513, 621, 657, 1311, 1341, 1387, 1679, 1971, 2831, 3427, 3933, 4023, 4161, 5037, 8493, 10281, 10877, 11799, 12483, 15111, 25479, 30843, 31901, 32631, 37449, 45333, 65113, 76437, 92529, 95703, 97893, 195339, 206663, 250171, 287109, 293679, 586017, 619989, 750513, 861327, 1758051, 1859967, 2251539, 4753249, 5579901, 6754617, 14259747, 42779241, 128337723]

約数ペア:

[(1, 128337723), (3, 42779241), (9, 14259747), (19, 6754617), (23, 5579901), (27, 4753249), (57, 2251539), (69, 1859967), (73, 1758051), (149, 861327), (171, 750513), (207, 619989), (219, 586017), (437, 293679), (447, 287109), (513, 250171), (621, 206663), (657, 195339), (1311, 97893), (1341, 95703), (1387, 92529), (1679, 76437), (1971, 65113), (2831, 45333), (3427, 37449), (3933, 32631), (4023, 31901), (4161, 30843), (5037, 25479), (8493, 15111), (10281, 12483), (10877, 11799)]