77785617

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{571}}^1$

素因数の和:1093

約数の個数: 32

約数和(自身を含む): 128128000

約数和(自身を除く): 50342383

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 499, 571, 1497, 1713, 3493, 3997, 6487, 7423, 10479, 11991, 19461, 22269, 45409, 51961, 136227, 155883, 284929, 854787, 1994503, 3704077, 5983509, 11112231, 25928539, 77785617]

約数ペア:

[(1, 77785617), (3, 25928539), (7, 11112231), (13, 5983509), (21, 3704077), (39, 1994503), (91, 854787), (273, 284929), (499, 155883), (571, 136227), (1497, 51961), (1713, 45409), (3493, 22269), (3997, 19461), (6487, 11991), (7423, 10479)]