13381119

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{73}}^2$

素因数の和:189

約数の個数: 30

約数和(自身を含む): 20920416

約数和(自身を除く): 7539297

約数列:

[1, 3, 9, 27, 31, 73, 81, 93, 219, 279, 657, 837, 1971, 2263, 2511, 5329, 5913, 6789, 15987, 20367, 47961, 61101, 143883, 165199, 183303, 431649, 495597, 1486791, 4460373, 13381119]

約数ペア:

[(1, 13381119), (3, 4460373), (9, 1486791), (27, 495597), (31, 431649), (73, 183303), (81, 165199), (93, 143883), (219, 61101), (279, 47961), (657, 20367), (837, 15987), (1971, 6789), (2263, 5913), (2511, 5329)]