55872243

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{12491}}^1$

素因数の和:12575

約数の個数: 24

約数和(自身を含む): 93540096

約数和(自身を除く): 37667853

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 12491, 37473, 87437, 112419, 262311, 786933, 886861, 2660583, 6208027, 7981749, 18624081, 55872243]

約数ペア:

[(1, 55872243), (3, 18624081), (7, 7981749), (9, 6208027), (21, 2660583), (63, 886861), (71, 786933), (213, 262311), (497, 112419), (639, 87437), (1491, 37473), (4473, 12491)]