8427699

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:137

約数の個数: 64

約数和(自身を含む): 15713280

約数和(自身を除く): 7285581

約数列:

[1, 3, 7, 9, 17, 21, 27, 43, 51, 61, 63, 119, 129, 153, 183, 189, 301, 357, 387, 427, 459, 549, 731, 903, 1037, 1071, 1161, 1281, 1647, 2193, 2623, 2709, 3111, 3213, 3843, 5117, 6579, 7259, 7869, 8127, 9333, 11529, 15351, 18361, 19737, 21777, 23607, 27999, 44591, 46053, 55083, 65331, 70821, 133773, 138159, 165249, 195993, 312137, 401319, 495747, 936411, 1203957, 2809233, 8427699]

約数ペア:

[(1, 8427699), (3, 2809233), (7, 1203957), (9, 936411), (17, 495747), (21, 401319), (27, 312137), (43, 195993), (51, 165249), (61, 138159), (63, 133773), (119, 70821), (129, 65331), (153, 55083), (183, 46053), (189, 44591), (301, 27999), (357, 23607), (387, 21777), (427, 19737), (459, 18361), (549, 15351), (731, 11529), (903, 9333), (1037, 8127), (1071, 7869), (1161, 7259), (1281, 6579), (1647, 5117), (2193, 3843), (2623, 3213), (2709, 3111)]