1215721794

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{28945757}}^1$

素因数の和:28945769

約数の個数: 16

約数和(自身を含む): 2778792768

約数和(自身を除く): 1563070974

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 28945757, 57891514, 86837271, 173674542, 202620299, 405240598, 607860897, 1215721794]

約数ペア:

[(1, 1215721794), (2, 607860897), (3, 405240598), (6, 202620299), (7, 173674542), (14, 86837271), (21, 57891514), (42, 28945757)]