291265269

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{131}}^1\times {\mathrm{2053}}^1$

素因数の和:2225

約数の個数: 24

約数和(自身を含む): 413199072

約数和(自身を除く): 121933803

約数列:

[1, 3, 19, 57, 131, 361, 393, 1083, 2053, 2489, 6159, 7467, 39007, 47291, 117021, 141873, 268943, 741133, 806829, 2223399, 5109917, 15329751, 97088423, 291265269]

約数ペア:

[(1, 291265269), (3, 97088423), (19, 15329751), (57, 5109917), (131, 2223399), (361, 806829), (393, 741133), (1083, 268943), (2053, 141873), (2489, 117021), (6159, 47291), (7467, 39007)]