72157547

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{133873}}^1$

素因数の和:133898

約数の個数: 12

約数和(自身を含む): 91569816

約数和(自身を除く): 19412269

約数列:

[1, 7, 11, 49, 77, 539, 133873, 937111, 1472603, 6559777, 10308221, 72157547]

約数ペア:

[(1, 72157547), (7, 10308221), (11, 6559777), (49, 1472603), (77, 937111), (539, 133873)]