172945421

素因数分解:

${\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{491}}^1$

素因数の和:625

約数の個数: 24

約数和(自身を含む): 197878464

約数和(自身を除く): 24933043

約数列:

[1, 11, 41, 71, 121, 451, 491, 781, 2911, 4961, 5401, 8591, 20131, 32021, 34861, 59411, 221441, 352231, 383471, 1429301, 2435851, 4218181, 15722311, 172945421]

約数ペア:

[(1, 172945421), (11, 15722311), (41, 4218181), (71, 2435851), (121, 1429301), (451, 383471), (491, 352231), (781, 221441), (2911, 59411), (4961, 34861), (5401, 32021), (8591, 20131)]