15375123

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:129

約数の個数: 64

約数和(自身を含む): 26611200

約数和(自身を除く): 11236077

約数列:

[1, 3, 9, 17, 19, 27, 41, 43, 51, 57, 123, 129, 153, 171, 323, 369, 387, 459, 513, 697, 731, 779, 817, 969, 1107, 1161, 1763, 2091, 2193, 2337, 2451, 2907, 5289, 6273, 6579, 7011, 7353, 8721, 13243, 13889, 15867, 18819, 19737, 21033, 22059, 29971, 33497, 39729, 41667, 47601, 89913, 100491, 119187, 125001, 269739, 301473, 357561, 375003, 569449, 809217, 904419, 1708347, 5125041, 15375123]

約数ペア:

[(1, 15375123), (3, 5125041), (9, 1708347), (17, 904419), (19, 809217), (27, 569449), (41, 375003), (43, 357561), (51, 301473), (57, 269739), (123, 125001), (129, 119187), (153, 100491), (171, 89913), (323, 47601), (369, 41667), (387, 39729), (459, 33497), (513, 29971), (697, 22059), (731, 21033), (779, 19737), (817, 18819), (969, 15867), (1107, 13889), (1161, 13243), (1763, 8721), (2091, 7353), (2193, 7011), (2337, 6579), (2451, 6273), (2907, 5289)]