70921081

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{18797}}^1$

素因数の和:18829

約数の個数: 16

約数和(自身を含む): 90230400

約数和(自身を除く): 19309319

約数列:

[1, 7, 11, 49, 77, 343, 539, 3773, 18797, 131579, 206767, 921053, 1447369, 6447371, 10131583, 70921081]

約数ペア:

[(1, 70921081), (7, 10131583), (11, 6447371), (49, 1447369), (77, 921053), (343, 206767), (539, 131579), (3773, 18797)]