57821121

素因数分解:

$3^5\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 91291200

約数和(自身を除く): 33470079

約数列:

[1, 3, 9, 27, 37, 59, 81, 109, 111, 177, 243, 327, 333, 531, 981, 999, 1593, 2183, 2943, 2997, 4033, 4779, 6431, 6549, 8829, 8991, 12099, 14337, 19293, 19647, 26487, 36297, 57879, 58941, 108891, 173637, 176823, 237947, 326673, 520911, 530469, 713841, 980019, 1562733, 2141523, 6424569, 19273707, 57821121]

約数ペア:

[(1, 57821121), (3, 19273707), (9, 6424569), (27, 2141523), (37, 1562733), (59, 980019), (81, 713841), (109, 530469), (111, 520911), (177, 326673), (243, 237947), (327, 176823), (333, 173637), (531, 108891), (981, 58941), (999, 57879), (1593, 36297), (2183, 26487), (2943, 19647), (2997, 19293), (4033, 14337), (4779, 12099), (6431, 8991), (6549, 8829)]