28452699

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 47284224

約数和(自身を除く): 18831525

約数列:

[1, 3, 9, 11, 31, 33, 73, 93, 99, 127, 219, 279, 341, 381, 657, 803, 1023, 1143, 1397, 2263, 2409, 3069, 3937, 4191, 6789, 7227, 9271, 11811, 12573, 20367, 24893, 27813, 35433, 43307, 74679, 83439, 101981, 129921, 224037, 287401, 305943, 389763, 862203, 917829, 2586609, 3161411, 9484233, 28452699]

約数ペア:

[(1, 28452699), (3, 9484233), (9, 3161411), (11, 2586609), (31, 917829), (33, 862203), (73, 389763), (93, 305943), (99, 287401), (127, 224037), (219, 129921), (279, 101981), (341, 83439), (381, 74679), (657, 43307), (803, 35433), (1023, 27813), (1143, 24893), (1397, 20367), (2263, 12573), (2409, 11811), (3069, 9271), (3937, 7227), (4191, 6789)]