489447

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{457}}^1$

素因数の和:487

約数の個数: 24

約数和(自身を含む): 857376

約数和(自身を除く): 367929

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 457, 1071, 1371, 3199, 4113, 7769, 9597, 23307, 28791, 54383, 69921, 163149, 489447]

約数ペア:

[(1, 489447), (3, 163149), (7, 69921), (9, 54383), (17, 28791), (21, 23307), (51, 9597), (63, 7769), (119, 4113), (153, 3199), (357, 1371), (457, 1071)]