989961

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:133

約数の個数: 32

約数和(自身を含む): 1658880

約数和(自身を除く): 668919

約数列:

[1, 3, 7, 17, 21, 47, 51, 59, 119, 141, 177, 329, 357, 413, 799, 987, 1003, 1239, 2397, 2773, 3009, 5593, 7021, 8319, 16779, 19411, 21063, 47141, 58233, 141423, 329987, 989961]

約数ペア:

[(1, 989961), (3, 329987), (7, 141423), (17, 58233), (21, 47141), (47, 21063), (51, 19411), (59, 16779), (119, 8319), (141, 7021), (177, 5593), (329, 3009), (357, 2773), (413, 2397), (799, 1239), (987, 1003)]