65205

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{23}}^1$

素因数の和:47

約数の個数: 40

約数和(自身を含む): 139392

約数和(自身を除く): 74187

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 27, 35, 45, 63, 69, 81, 105, 115, 135, 161, 189, 207, 315, 345, 405, 483, 567, 621, 805, 945, 1035, 1449, 1863, 2415, 2835, 3105, 4347, 7245, 9315, 13041, 21735, 65205]

約数ペア:

[(1, 65205), (3, 21735), (5, 13041), (7, 9315), (9, 7245), (15, 4347), (21, 3105), (23, 2835), (27, 2415), (35, 1863), (45, 1449), (63, 1035), (69, 945), (81, 805), (105, 621), (115, 567), (135, 483), (161, 405), (189, 345), (207, 315)]