204480717

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{7649}}^1$

素因数の和:7745

約数の個数: 32

約数和(自身を含む): 332928000

約数和(自身を除く): 128447283

約数列:

[1, 3, 7, 19, 21, 57, 67, 133, 201, 399, 469, 1273, 1407, 3819, 7649, 8911, 22947, 26733, 53543, 145331, 160629, 435993, 512483, 1017317, 1537449, 3051951, 3587381, 9737177, 10762143, 29211531, 68160239, 204480717]

約数ペア:

[(1, 204480717), (3, 68160239), (7, 29211531), (19, 10762143), (21, 9737177), (57, 3587381), (67, 3051951), (133, 1537449), (201, 1017317), (399, 512483), (469, 435993), (1273, 160629), (1407, 145331), (3819, 53543), (7649, 26733), (8911, 22947)]