131323953

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{251}}^1$

素因数の和:477

約数の個数: 32

約数和(自身を含む): 189181440

約数和(自身を除く): 57857487

約数列:

[1, 3, 19, 57, 67, 137, 201, 251, 411, 753, 1273, 2603, 3819, 4769, 7809, 9179, 14307, 16817, 27537, 34387, 50451, 103161, 174401, 319523, 523203, 653353, 958569, 1960059, 2303929, 6911787, 43774651, 131323953]

約数ペア:

[(1, 131323953), (3, 43774651), (19, 6911787), (57, 2303929), (67, 1960059), (137, 958569), (201, 653353), (251, 523203), (411, 319523), (753, 174401), (1273, 103161), (2603, 50451), (3819, 34387), (4769, 27537), (7809, 16817), (9179, 14307)]