51988858131

素因数分解:

$3^1\times 7^1\times {\mathrm{6991}}^1\times {\mathrm{354121}}^1$

素因数の和:361122

約数の個数: 16

約数和(自身を含む): 79232672768

約数和(自身を除く): 27243814637

約数列:

[1, 3, 7, 21, 6991, 20973, 48937, 146811, 354121, 1062363, 2478847, 7436541, 2475659911, 7426979733, 17329619377, 51988858131]

約数ペア:

[(1, 51988858131), (3, 17329619377), (7, 7426979733), (21, 2475659911), (6991, 7436541), (20973, 2478847), (48937, 1062363), (146811, 354121)]