289590951

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{67}}^1\times {\mathrm{307}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 446861184

約数和(自身を除く): 157270233

約数列:

[1, 3, 13, 19, 39, 57, 67, 201, 247, 307, 361, 741, 871, 921, 1083, 1273, 2613, 3819, 3991, 4693, 5833, 11973, 14079, 16549, 17499, 20569, 24187, 49647, 61707, 72561, 75829, 110827, 227487, 267397, 314431, 332481, 390811, 802191, 943293, 1172433, 1440751, 4322253, 5080543, 7425409, 15241629, 22276227, 96530317, 289590951]

約数ペア:

[(1, 289590951), (3, 96530317), (13, 22276227), (19, 15241629), (39, 7425409), (57, 5080543), (67, 4322253), (201, 1440751), (247, 1172433), (307, 943293), (361, 802191), (741, 390811), (871, 332481), (921, 314431), (1083, 267397), (1273, 227487), (2613, 110827), (3819, 75829), (3991, 72561), (4693, 61707), (5833, 49647), (11973, 24187), (14079, 20569), (16549, 17499)]