859717887

素因数分解:

$3^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{60293}}^1$

素因数の和:60407

約数の個数: 24

約数和(自身を含む): 1347209136

約数和(自身を除く): 487491249

約数列:

[1, 3, 7, 21, 49, 97, 147, 291, 679, 2037, 4753, 14259, 60293, 180879, 422051, 1266153, 2954357, 5848421, 8863071, 17545263, 40938947, 122816841, 286572629, 859717887]

約数ペア:

[(1, 859717887), (3, 286572629), (7, 122816841), (21, 40938947), (49, 17545263), (97, 8863071), (147, 5848421), (291, 2954357), (679, 1266153), (2037, 422051), (4753, 180879), (14259, 60293)]