68546169

素因数分解:

$3^5\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 108501120

約数和(自身を除く): 39954951

約数列:

[1, 3, 9, 27, 29, 71, 81, 87, 137, 213, 243, 261, 411, 639, 783, 1233, 1917, 2059, 2349, 3699, 3973, 5751, 6177, 7047, 9727, 11097, 11919, 17253, 18531, 29181, 33291, 35757, 55593, 87543, 107271, 166779, 262629, 282083, 321813, 500337, 787887, 846249, 965439, 2363661, 2538747, 7616241, 22848723, 68546169]

約数ペア:

[(1, 68546169), (3, 22848723), (9, 7616241), (27, 2538747), (29, 2363661), (71, 965439), (81, 846249), (87, 787887), (137, 500337), (213, 321813), (243, 282083), (261, 262629), (411, 166779), (639, 107271), (783, 87543), (1233, 55593), (1917, 35757), (2059, 33291), (2349, 29181), (3699, 18531), (3973, 17253), (5751, 11919), (6177, 11097), (7047, 9727)]