123243729

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:230

約数の個数: 64

約数和(自身を含む): 205701120

約数和(自身を除く): 82457391

約数列:

[1, 3, 7, 21, 23, 47, 61, 69, 89, 141, 161, 183, 267, 329, 427, 483, 623, 987, 1081, 1281, 1403, 1869, 2047, 2867, 3243, 4183, 4209, 5429, 6141, 7567, 8601, 9821, 12549, 14329, 16287, 20069, 22701, 29281, 29463, 38003, 42987, 60207, 65941, 87843, 96209, 114009, 124867, 197823, 255163, 288627, 374601, 461587, 673463, 765489, 874069, 1384761, 1786141, 2020389, 2622207, 5358423, 5868749, 17606247, 41081243, 123243729]

約数ペア:

[(1, 123243729), (3, 41081243), (7, 17606247), (21, 5868749), (23, 5358423), (47, 2622207), (61, 2020389), (69, 1786141), (89, 1384761), (141, 874069), (161, 765489), (183, 673463), (267, 461587), (329, 374601), (427, 288627), (483, 255163), (623, 197823), (987, 124867), (1081, 114009), (1281, 96209), (1403, 87843), (1869, 65941), (2047, 60207), (2867, 42987), (3243, 38003), (4183, 29463), (4209, 29281), (5429, 22701), (6141, 20069), (7567, 16287), (8601, 14329), (9821, 12549)]