131238051

素因数分解:

$3^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{31723}}^1$

素因数の和:31930

約数の個数: 16

約数和(自身を含む): 201003264

約数和(自身を除く): 69765213

約数列:

[1, 3, 7, 21, 197, 591, 1379, 4137, 31723, 95169, 222061, 666183, 6249431, 18748293, 43746017, 131238051]

約数ペア:

[(1, 131238051), (3, 43746017), (7, 18748293), (21, 6249431), (197, 666183), (591, 222061), (1379, 95169), (4137, 31723)]