25705287

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{907}}^1$

素因数の和:1027

約数の個数: 24

約数和(自身を含む): 38528256

約数和(自身を除く): 12822969

約数列:

[1, 3, 9, 47, 67, 141, 201, 423, 603, 907, 2721, 3149, 8163, 9447, 28341, 42629, 60769, 127887, 182307, 383661, 546921, 2856143, 8568429, 25705287]

約数ペア:

[(1, 25705287), (3, 8568429), (9, 2856143), (47, 546921), (67, 383661), (141, 182307), (201, 127887), (423, 60769), (603, 42629), (907, 28341), (2721, 9447), (3149, 8163)]