1257156987

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{12197}}^1$

素因数の和:12307

約数の個数: 32

約数和(自身を含む): 1854876672

約数和(自身を除く): 597719685

約数列:

[1, 3, 17, 43, 47, 51, 129, 141, 731, 799, 2021, 2193, 2397, 6063, 12197, 34357, 36591, 103071, 207349, 524471, 573259, 622047, 1573413, 1719777, 8916007, 9745403, 24650137, 26748021, 29236209, 73950411, 419052329, 1257156987]

約数ペア:

[(1, 1257156987), (3, 419052329), (17, 73950411), (43, 29236209), (47, 26748021), (51, 24650137), (129, 9745403), (141, 8916007), (731, 1719777), (799, 1573413), (2021, 622047), (2193, 573259), (2397, 524471), (6063, 207349), (12197, 103071), (34357, 36591)]