2012180967

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{971}}^1$

素因数の和:1121

約数の個数: 64

約数和(自身を含む): 3224862720

約数和(自身を除く): 1212681753

約数列:

[1, 3, 9, 23, 27, 47, 69, 71, 141, 207, 213, 423, 621, 639, 971, 1081, 1269, 1633, 1917, 2913, 3243, 3337, 4899, 8739, 9729, 10011, 14697, 22333, 26217, 29187, 30033, 44091, 45637, 66999, 68941, 76751, 90099, 136911, 200997, 206823, 230253, 410733, 602991, 620469, 690759, 1049651, 1232199, 1585643, 1861407, 2072277, 3148953, 3240227, 4756929, 9446859, 9720681, 14270787, 28340577, 29162043, 42812361, 74525221, 87486129, 223575663, 670726989, 2012180967]

約数ペア:

[(1, 2012180967), (3, 670726989), (9, 223575663), (23, 87486129), (27, 74525221), (47, 42812361), (69, 29162043), (71, 28340577), (141, 14270787), (207, 9720681), (213, 9446859), (423, 4756929), (621, 3240227), (639, 3148953), (971, 2072277), (1081, 1861407), (1269, 1585643), (1633, 1232199), (1917, 1049651), (2913, 690759), (3243, 620469), (3337, 602991), (4899, 410733), (8739, 230253), (9729, 206823), (10011, 200997), (14697, 136911), (22333, 90099), (26217, 76751), (29187, 68941), (30033, 66999), (44091, 45637)]