13047741

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2917}}^1$

素因数の和:3001

約数の個数: 24

約数和(自身を含む): 21849984

約数和(自身を除く): 8802243

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 2917, 4473, 8751, 20419, 26253, 61257, 183771, 207107, 621321, 1449749, 1863963, 4349247, 13047741]

約数ペア:

[(1, 13047741), (3, 4349247), (7, 1863963), (9, 1449749), (21, 621321), (63, 207107), (71, 183771), (213, 61257), (497, 26253), (639, 20419), (1491, 8751), (2917, 4473)]