81313533

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3301}}^1$

素因数の和:3354

約数の個数: 48

約数和(自身を含む): 148352256

約数和(自身を除く): 67038723

約数列:

[1, 3, 7, 9, 17, 21, 23, 51, 63, 69, 119, 153, 161, 207, 357, 391, 483, 1071, 1173, 1449, 2737, 3301, 3519, 8211, 9903, 23107, 24633, 29709, 56117, 69321, 75923, 168351, 207963, 227769, 392819, 505053, 531461, 683307, 1178457, 1290691, 1594383, 3535371, 3872073, 4783149, 9034837, 11616219, 27104511, 81313533]

約数ペア:

[(1, 81313533), (3, 27104511), (7, 11616219), (9, 9034837), (17, 4783149), (21, 3872073), (23, 3535371), (51, 1594383), (63, 1290691), (69, 1178457), (119, 683307), (153, 531461), (161, 505053), (207, 392819), (357, 227769), (391, 207963), (483, 168351), (1071, 75923), (1173, 69321), (1449, 56117), (2737, 29709), (3301, 24633), (3519, 23107), (8211, 9903)]