7971789

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2731}}^1$

素因数の和:2880

約数の個数: 16

約数和(自身を含む): 12239360

約数和(自身を除く): 4267571

約数列:

[1, 3, 7, 21, 139, 417, 973, 2731, 2919, 8193, 19117, 57351, 379609, 1138827, 2657263, 7971789]

約数ペア:

[(1, 7971789), (3, 2657263), (7, 1138827), (21, 379609), (139, 57351), (417, 19117), (973, 8193), (2731, 2919)]