31047261

素因数分解:

$3^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{9791}}^1$

素因数の和:9952

約数の個数: 16

約数和(自身を含む): 47628288

約数和(自身を除く): 16581027

約数列:

[1, 3, 7, 21, 151, 453, 1057, 3171, 9791, 29373, 68537, 205611, 1478441, 4435323, 10349087, 31047261]

約数ペア:

[(1, 31047261), (3, 10349087), (7, 4435323), (21, 1478441), (151, 205611), (453, 68537), (1057, 29373), (3171, 9791)]