81402125

素因数分解:

$5^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3001}}^1$

素因数の和:3054

約数の個数: 32

約数和(自身を含む): 119887872

約数和(自身を除く): 38485747

約数列:

[1, 5, 7, 25, 31, 35, 125, 155, 175, 217, 775, 875, 1085, 3001, 3875, 5425, 15005, 21007, 27125, 75025, 93031, 105035, 375125, 465155, 525175, 651217, 2325775, 2625875, 3256085, 11628875, 16280425, 81402125]

約数ペア:

[(1, 81402125), (5, 16280425), (7, 11628875), (25, 3256085), (31, 2625875), (35, 2325775), (125, 651217), (155, 525175), (175, 465155), (217, 375125), (775, 105035), (875, 93031), (1085, 75025), (3001, 27125), (3875, 21007), (5425, 15005)]