31940223

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{293}}^1$

素因数の和:511

約数の個数: 32

約数和(自身を含む): 50803200

約数和(自身を除く): 18862977

約数列:

[1, 3, 7, 21, 29, 87, 179, 203, 293, 537, 609, 879, 1253, 2051, 3759, 5191, 6153, 8497, 15573, 25491, 36337, 52447, 59479, 109011, 157341, 178437, 367129, 1101387, 1520963, 4562889, 10646741, 31940223]

約数ペア:

[(1, 31940223), (3, 10646741), (7, 4562889), (21, 1520963), (29, 1101387), (87, 367129), (179, 178437), (203, 157341), (293, 109011), (537, 59479), (609, 52447), (879, 36337), (1253, 25491), (2051, 15573), (3759, 8497), (5191, 6153)]