66381075

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^2\times {\mathrm{307}}^1$

素因数の和:385

約数の個数: 54

約数和(自身を含む): 123255132

約数和(自身を除く): 56874057

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 75, 93, 155, 225, 279, 307, 465, 775, 921, 961, 1395, 1535, 2325, 2763, 2883, 4605, 4805, 6975, 7675, 8649, 9517, 13815, 14415, 23025, 24025, 28551, 43245, 47585, 69075, 72075, 85653, 142755, 216225, 237925, 295027, 428265, 713775, 885081, 1475135, 2141325, 2655243, 4425405, 7375675, 13276215, 22127025, 66381075]

約数ペア:

[(1, 66381075), (3, 22127025), (5, 13276215), (9, 7375675), (15, 4425405), (25, 2655243), (31, 2141325), (45, 1475135), (75, 885081), (93, 713775), (155, 428265), (225, 295027), (279, 237925), (307, 216225), (465, 142755), (775, 85653), (921, 72075), (961, 69075), (1395, 47585), (1535, 43245), (2325, 28551), (2763, 24025), (2883, 23025), (4605, 14415), (4805, 13815), (6975, 9517), (7675, 8649)]