15321845

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2341}}^1$

素因数の和:2381

約数の個数: 32

約数和(自身を含む): 24281856

約数和(自身を除く): 8960011

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 187, 385, 595, 935, 1309, 2341, 6545, 11705, 16387, 25751, 39797, 81935, 128755, 180257, 198985, 278579, 437767, 901285, 1392895, 2188835, 3064369, 15321845]

約数ペア:

[(1, 15321845), (5, 3064369), (7, 2188835), (11, 1392895), (17, 901285), (35, 437767), (55, 278579), (77, 198985), (85, 180257), (119, 128755), (187, 81935), (385, 39797), (595, 25751), (935, 16387), (1309, 11705), (2341, 6545)]