16475481

素因数分解:

$3^4\times {\mathrm{11}}^2\times {\mathrm{41}}^2$

素因数の和:116

約数の個数: 45

約数和(自身を含む): 27728239

約数和(自身を除く): 11252758

約数列:

[1, 3, 9, 11, 27, 33, 41, 81, 99, 121, 123, 297, 363, 369, 451, 891, 1089, 1107, 1353, 1681, 3267, 3321, 4059, 4961, 5043, 9801, 12177, 14883, 15129, 18491, 36531, 44649, 45387, 55473, 133947, 136161, 166419, 203401, 401841, 499257, 610203, 1497771, 1830609, 5491827, 16475481]

約数ペア:

[(1, 16475481), (3, 5491827), (9, 1830609), (11, 1497771), (27, 610203), (33, 499257), (41, 401841), (81, 203401), (99, 166419), (121, 136161), (123, 133947), (297, 55473), (363, 45387), (369, 44649), (451, 36531), (891, 18491), (1089, 15129), (1107, 14883), (1353, 12177), (1681, 9801), (3267, 5043), (3321, 4961)]