15947239

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2917}}^1$

素因数の和:3006

約数の個数: 16

約数和(自身を含む): 20169216

約数和(自身を除く): 4221977

約数列:

[1, 7, 11, 71, 77, 497, 781, 2917, 5467, 20419, 32087, 207107, 224609, 1449749, 2278177, 15947239]

約数ペア:

[(1, 15947239), (7, 2278177), (11, 1449749), (71, 224609), (77, 207107), (497, 32087), (781, 20419), (2917, 5467)]