495280989

素因数分解:

$3^2\times 7^1\times {\mathrm{991}}^1\times {\mathrm{7933}}^1$

素因数の和:8937

約数の個数: 24

約数和(自身を含む): 818534912

約数和(自身を除く): 323253923

約数列:

[1, 3, 7, 9, 21, 63, 991, 2973, 6937, 7933, 8919, 20811, 23799, 55531, 62433, 71397, 166593, 499779, 7861603, 23584809, 55031221, 70754427, 165093663, 495280989]

約数ペア:

[(1, 495280989), (3, 165093663), (7, 70754427), (9, 55031221), (21, 23584809), (63, 7861603), (991, 499779), (2973, 166593), (6937, 71397), (7933, 62433), (8919, 55531), (20811, 23799)]