1291927971

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{78427}}^1$

素因数の和:78483

約数の個数: 24

約数和(自身を含む): 1926191680

約数和(自身を除く): 634263709

約数列:

[1, 3, 17, 19, 51, 57, 289, 323, 867, 969, 5491, 16473, 78427, 235281, 1333259, 1490113, 3999777, 4470339, 22665403, 25331921, 67996209, 75995763, 430642657, 1291927971]

約数ペア:

[(1, 1291927971), (3, 430642657), (17, 75995763), (19, 67996209), (51, 25331921), (57, 22665403), (289, 4470339), (323, 3999777), (867, 1490113), (969, 1333259), (5491, 235281), (16473, 78427)]