40907721

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1\times {\mathrm{751}}^1$

素因数の和:1092

約数の個数: 16

約数和(自身を含む): 55635968

約数和(自身を除く): 14728247

約数列:

[1, 3, 67, 201, 271, 751, 813, 2253, 18157, 50317, 54471, 150951, 203521, 610563, 13635907, 40907721]

約数ペア:

[(1, 40907721), (3, 13635907), (67, 610563), (201, 203521), (271, 150951), (751, 54471), (813, 50317), (2253, 18157)]