81305161

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3797}}^1$

素因数の和:3853

約数の個数: 24

約数和(自身を含む): 103913280

約数和(自身を除く): 22608119

約数列:

[1, 7, 19, 23, 49, 133, 161, 437, 931, 1127, 3059, 3797, 21413, 26579, 72143, 87331, 186053, 505001, 611317, 1659289, 3535007, 4279219, 11615023, 81305161]

約数ペア:

[(1, 81305161), (7, 11615023), (19, 4279219), (23, 3535007), (49, 1659289), (133, 611317), (161, 505001), (437, 186053), (931, 87331), (1127, 72143), (3059, 26579), (3797, 21413)]