280771491

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{93497}}^1$

素因数の和:93531

約数の個数: 32

約数和(自身を含む): 502645248

約数和(自身を除く): 221873757

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 91, 143, 231, 273, 429, 1001, 3003, 93497, 280491, 654479, 1028467, 1215461, 1963437, 3085401, 3646383, 7199269, 8508227, 13370071, 21597807, 25524681, 40110213, 93590497, 280771491]

約数ペア:

[(1, 280771491), (3, 93590497), (7, 40110213), (11, 25524681), (13, 21597807), (21, 13370071), (33, 8508227), (39, 7199269), (77, 3646383), (91, 3085401), (143, 1963437), (231, 1215461), (273, 1028467), (429, 654479), (1001, 280491), (3003, 93497)]