81739455

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{4349}}^1$

素因数の和:4543

約数の個数: 32

約数和(自身を含む): 150336000

約数和(自身を除く): 68596545

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 179, 537, 895, 1253, 2685, 3759, 4349, 6265, 13047, 18795, 21745, 30443, 65235, 91329, 152215, 456645, 778471, 2335413, 3892355, 5449297, 11677065, 16347891, 27246485, 81739455]

約数ペア:

[(1, 81739455), (3, 27246485), (5, 16347891), (7, 11677065), (15, 5449297), (21, 3892355), (35, 2335413), (105, 778471), (179, 456645), (537, 152215), (895, 91329), (1253, 65235), (2685, 30443), (3759, 21745), (4349, 18795), (6265, 13047)]