524447

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{139}}^1$

素因数の和:171

約数の個数: 16

約数和(自身を含む): 672000

約数和(自身を除く): 147553

約数列:

[1, 7, 11, 49, 77, 139, 343, 539, 973, 1529, 3773, 6811, 10703, 47677, 74921, 524447]

約数ペア:

[(1, 524447), (7, 74921), (11, 47677), (49, 10703), (77, 6811), (139, 3773), (343, 1529), (539, 973)]