66750495

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{461}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 125139168

約数和(自身を除く): 58388673

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 197, 245, 461, 591, 735, 985, 1379, 1383, 2305, 2955, 3227, 4137, 6895, 6915, 9653, 9681, 16135, 20685, 22589, 28959, 48265, 48405, 67767, 90817, 112945, 144795, 272451, 338835, 454085, 635719, 1362255, 1907157, 3178595, 4450033, 9535785, 13350099, 22250165, 66750495]

約数ペア:

[(1, 66750495), (3, 22250165), (5, 13350099), (7, 9535785), (15, 4450033), (21, 3178595), (35, 1907157), (49, 1362255), (105, 635719), (147, 454085), (197, 338835), (245, 272451), (461, 144795), (591, 112945), (735, 90817), (985, 67767), (1379, 48405), (1383, 48265), (2305, 28959), (2955, 22589), (3227, 20685), (4137, 16135), (6895, 9681), (6915, 9653)]