291258981

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{613}}^1$

素因数の和:794

約数の個数: 48

約数和(自身を含む): 472023552

約数和(自身を除く): 180764571

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 131, 279, 393, 403, 613, 1179, 1209, 1703, 1839, 3627, 4061, 5109, 5517, 7969, 12183, 15327, 19003, 23907, 36549, 52793, 57009, 71721, 80303, 158379, 171027, 240909, 247039, 475137, 722727, 741117, 1043939, 2223351, 2489393, 3131817, 7468179, 9395451, 22404537, 32362109, 97086327, 291258981]

約数ペア:

[(1, 291258981), (3, 97086327), (9, 32362109), (13, 22404537), (31, 9395451), (39, 7468179), (93, 3131817), (117, 2489393), (131, 2223351), (279, 1043939), (393, 741117), (403, 722727), (613, 475137), (1179, 247039), (1209, 240909), (1703, 171027), (1839, 158379), (3627, 80303), (4061, 71721), (5109, 57009), (5517, 52793), (7969, 36549), (12183, 23907), (15327, 19003)]