140142723

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{215273}}^1$

素因数の和:215314

約数の個数: 16

約数和(自身を含む): 220440576

約数和(自身を除く): 80297853

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 215273, 645819, 1506911, 4520733, 6673463, 20020389, 46714241, 140142723]

約数ペア:

[(1, 140142723), (3, 46714241), (7, 20020389), (21, 6673463), (31, 4520733), (93, 1506911), (217, 645819), (651, 215273)]