131993841

素因数分解:

$3^1\times 7^1\times {\mathrm{1523}}^1\times {\mathrm{4127}}^1$

素因数の和:5660

約数の個数: 16

約数和(自身を含む): 201314304

約数和(自身を除く): 69320463

約数列:

[1, 3, 7, 21, 1523, 4127, 4569, 10661, 12381, 28889, 31983, 86667, 6285421, 18856263, 43997947, 131993841]

約数ペア:

[(1, 131993841), (3, 43997947), (7, 18856263), (21, 6285421), (1523, 86667), (4127, 31983), (4569, 28889), (10661, 12381)]