3091221

素因数分解:

$3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{353}}^1$

素因数の和:505

約数の個数: 24

約数和(自身を含む): 5154240

約数和(自身を除く): 2063019

約数列:

[1, 3, 7, 9, 21, 63, 139, 353, 417, 973, 1059, 1251, 2471, 2919, 3177, 7413, 8757, 22239, 49067, 147201, 343469, 441603, 1030407, 3091221]

約数ペア:

[(1, 3091221), (3, 1030407), (7, 441603), (9, 343469), (21, 147201), (63, 49067), (139, 22239), (353, 8757), (417, 7413), (973, 3177), (1059, 2919), (1251, 2471)]