28333921

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 37739520

約数和(自身を除く): 9405599

約数列:

[1, 7, 11, 19, 77, 107, 133, 181, 209, 749, 1177, 1267, 1463, 1991, 2033, 3439, 8239, 13937, 14231, 19367, 22363, 24073, 37829, 135569, 156541, 213037, 264803, 367973, 1491259, 2575811, 4047703, 28333921]

約数ペア:

[(1, 28333921), (7, 4047703), (11, 2575811), (19, 1491259), (77, 367973), (107, 264803), (133, 213037), (181, 156541), (209, 135569), (749, 37829), (1177, 24073), (1267, 22363), (1463, 19367), (1991, 14231), (2033, 13937), (3439, 8239)]