15918981

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{5749}}^1$

素因数の和:5836

約数の個数: 16

約数和(自身を含む): 23184000

約数和(自身を除く): 7265019

約数列:

[1, 3, 13, 39, 71, 213, 923, 2769, 5749, 17247, 74737, 224211, 408179, 1224537, 5306327, 15918981]

約数ペア:

[(1, 15918981), (3, 5306327), (13, 1224537), (39, 408179), (71, 224211), (213, 74737), (923, 17247), (2769, 5749)]