71138523

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:387

約数の個数: 32

約数和(自身を含む): 103403520

約数和(自身を除く): 32264997

約数列:

[1, 3, 17, 51, 67, 109, 191, 201, 327, 573, 1139, 1853, 3247, 3417, 5559, 7303, 9741, 12797, 20819, 21909, 38391, 62457, 124151, 217549, 353923, 372453, 652647, 1061769, 1394873, 4184619, 23712841, 71138523]

約数ペア:

[(1, 71138523), (3, 23712841), (17, 4184619), (51, 1394873), (67, 1061769), (109, 652647), (191, 372453), (201, 353923), (327, 217549), (573, 124151), (1139, 62457), (1853, 38391), (3247, 21909), (3417, 20819), (5559, 12797), (7303, 9741)]