129712897

素因数分解:

${\mathrm{31}}^2\times {\mathrm{43}}^2\times {\mathrm{73}}^1$

素因数の和:221

約数の個数: 18

約数和(自身を含む): 139101426

約数和(自身を除く): 9388529

約数列:

[1, 31, 43, 73, 961, 1333, 1849, 2263, 3139, 41323, 57319, 70153, 97309, 134977, 1776889, 3016579, 4184287, 129712897]

約数ペア:

[(1, 129712897), (31, 4184287), (43, 3016579), (73, 1776889), (961, 134977), (1333, 97309), (1849, 70153), (2263, 57319), (3139, 41323)]