81195621

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:206

約数の個数: 64

約数和(自身を含む): 132088320

約数和(自身を除く): 50892699

約数列:

[1, 3, 13, 17, 29, 39, 41, 51, 87, 103, 123, 221, 309, 377, 493, 533, 663, 697, 1131, 1189, 1339, 1479, 1599, 1751, 2091, 2987, 3567, 4017, 4223, 5253, 6409, 8961, 9061, 12669, 15457, 19227, 20213, 22763, 27183, 38831, 46371, 50779, 54899, 60639, 68289, 71791, 116493, 122467, 152337, 164697, 215373, 262769, 367401, 660127, 788307, 933283, 1592071, 1980381, 2081939, 2799849, 4776213, 6245817, 27065207, 81195621]

約数ペア:

[(1, 81195621), (3, 27065207), (13, 6245817), (17, 4776213), (29, 2799849), (39, 2081939), (41, 1980381), (51, 1592071), (87, 933283), (103, 788307), (123, 660127), (221, 367401), (309, 262769), (377, 215373), (493, 164697), (533, 152337), (663, 122467), (697, 116493), (1131, 71791), (1189, 68289), (1339, 60639), (1479, 54899), (1599, 50779), (1751, 46371), (2091, 38831), (2987, 27183), (3567, 22763), (4017, 20213), (4223, 19227), (5253, 15457), (6409, 12669), (8961, 9061)]