81291105

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{258067}}^1$

素因数の和:258085

約数の個数: 24

約数和(自身を含む): 161034432

約数和(自身を除く): 79743327

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 258067, 774201, 1290335, 1806469, 2322603, 3871005, 5419407, 9032345, 11613015, 16258221, 27097035, 81291105]

約数ペア:

[(1, 81291105), (3, 27097035), (5, 16258221), (7, 11613015), (9, 9032345), (15, 5419407), (21, 3871005), (35, 2322603), (45, 1806469), (63, 1290335), (105, 774201), (315, 258067)]