27991215

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{88861}}^1$

素因数の和:88879

約数の個数: 24

約数和(自身を含む): 55449888

約数和(自身を除く): 27458673

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 88861, 266583, 444305, 622027, 799749, 1332915, 1866081, 3110135, 3998745, 5598243, 9330405, 27991215]

約数ペア:

[(1, 27991215), (3, 9330405), (5, 5598243), (7, 3998745), (9, 3110135), (15, 1866081), (21, 1332915), (35, 799749), (45, 622027), (63, 444305), (105, 266583), (315, 88861)]