66281481

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{55373}}^1$

素因数の和:55405

約数の個数: 24

約数和(自身を含む): 115177920

約数和(自身を除く): 48896439

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 55373, 166119, 387611, 498357, 1052087, 1162833, 3156261, 3488499, 7364609, 9468783, 22093827, 66281481]

約数ペア:

[(1, 66281481), (3, 22093827), (7, 9468783), (9, 7364609), (19, 3488499), (21, 3156261), (57, 1162833), (63, 1052087), (133, 498357), (171, 387611), (399, 166119), (1197, 55373)]