53420213

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{6869}}^1$

素因数の和:6988

約数の個数: 16

約数和(自身を含む): 67271040

約数和(自身を除く): 13850827

約数列:

[1, 7, 11, 77, 101, 707, 1111, 6869, 7777, 48083, 75559, 528913, 693769, 4856383, 7631459, 53420213]

約数ペア:

[(1, 53420213), (7, 7631459), (11, 4856383), (77, 693769), (101, 528913), (707, 75559), (1111, 48083), (6869, 7777)]