11887407

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9931}}^1$

素因数の和:9963

約数の個数: 24

約数和(自身を含む): 20658560

約数和(自身を除く): 8771153

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 9931, 29793, 69517, 89379, 188689, 208551, 566067, 625653, 1320823, 1698201, 3962469, 11887407]

約数ペア:

[(1, 11887407), (3, 3962469), (7, 1698201), (9, 1320823), (19, 625653), (21, 566067), (57, 208551), (63, 188689), (133, 89379), (171, 69517), (399, 29793), (1197, 9931)]