2892771

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:140

約数の個数: 48

約数和(自身を含む): 5264064

約数和(自身を除く): 2371293

約数列:

[1, 3, 7, 9, 17, 21, 37, 51, 63, 73, 111, 119, 153, 219, 259, 333, 357, 511, 629, 657, 777, 1071, 1241, 1533, 1887, 2331, 2701, 3723, 4403, 4599, 5661, 8103, 8687, 11169, 13209, 18907, 24309, 26061, 39627, 45917, 56721, 78183, 137751, 170163, 321419, 413253, 964257, 2892771]

約数ペア:

[(1, 2892771), (3, 964257), (7, 413253), (9, 321419), (17, 170163), (21, 137751), (37, 78183), (51, 56721), (63, 45917), (73, 39627), (111, 26061), (119, 24309), (153, 18907), (219, 13209), (259, 11169), (333, 8687), (357, 8103), (511, 5661), (629, 4599), (657, 4403), (777, 3723), (1071, 2701), (1241, 2331), (1533, 1887)]