131401851

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{145517}}^1$

素因数の和:145570

約数の個数: 16

約数和(自身を含む): 204889344

約数和(自身を除く): 73487493

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 145517, 436551, 1018619, 3055857, 6257231, 18771693, 43800617, 131401851]

約数ペア:

[(1, 131401851), (3, 43800617), (7, 18771693), (21, 6257231), (43, 3055857), (129, 1018619), (301, 436551), (903, 145517)]