1649727

素因数分解:

$3^6\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:122

約数の個数: 28

約数和(自身を含む): 2588224

約数和(自身を除く): 938497

約数列:

[1, 3, 9, 27, 31, 73, 81, 93, 219, 243, 279, 657, 729, 837, 1971, 2263, 2511, 5913, 6789, 7533, 17739, 20367, 22599, 53217, 61101, 183303, 549909, 1649727]

約数ペア:

[(1, 1649727), (3, 549909), (9, 183303), (27, 61101), (31, 53217), (73, 22599), (81, 20367), (93, 17739), (219, 7533), (243, 6789), (279, 5913), (657, 2511), (729, 2263), (837, 1971)]