128263485

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{1221557}}^1$

素因数の和:1221572

約数の個数: 16

約数和(自身を含む): 234539136

約数和(自身を除く): 106275651

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 1221557, 3664671, 6107785, 8550899, 18323355, 25652697, 42754495, 128263485]

約数ペア:

[(1, 128263485), (3, 42754495), (5, 25652697), (7, 18323355), (15, 8550899), (21, 6107785), (35, 3664671), (105, 1221557)]