71312187

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:423

約数の個数: 32

約数和(自身を含む): 103403520

約数和(自身を除く): 32091333

約数列:

[1, 3, 19, 57, 67, 71, 201, 213, 263, 789, 1273, 1349, 3819, 4047, 4757, 4997, 14271, 14991, 17621, 18673, 52863, 56019, 90383, 271149, 334799, 354787, 1004397, 1064361, 1251091, 3753273, 23770729, 71312187]

約数ペア:

[(1, 71312187), (3, 23770729), (19, 3753273), (57, 1251091), (67, 1064361), (71, 1004397), (201, 354787), (213, 334799), (263, 271149), (789, 90383), (1273, 56019), (1349, 52863), (3819, 18673), (4047, 17621), (4757, 14991), (4997, 14271)]