20403927621

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{297403}}^1$

素因数の和:297444

約数の個数: 60

約数和(自身を含む): 38288980576

約数和(自身を除く): 17885052955

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 81, 99, 121, 189, 231, 297, 363, 567, 693, 847, 891, 1089, 2079, 2541, 3267, 6237, 7623, 9801, 22869, 68607, 297403, 892209, 2081821, 2676627, 3271433, 6245463, 8029881, 9814299, 18736389, 22900031, 24089643, 29442897, 35985763, 56209167, 68700093, 88328691, 107957289, 168627501, 206100279, 251900341, 264986073, 323871867, 618300837, 755701023, 971615601, 1854902511, 2267103069, 2914846803, 6801309207, 20403927621]

約数ペア:

[(1, 20403927621), (3, 6801309207), (7, 2914846803), (9, 2267103069), (11, 1854902511), (21, 971615601), (27, 755701023), (33, 618300837), (63, 323871867), (77, 264986073), (81, 251900341), (99, 206100279), (121, 168627501), (189, 107957289), (231, 88328691), (297, 68700093), (363, 56209167), (567, 35985763), (693, 29442897), (847, 24089643), (891, 22900031), (1089, 18736389), (2079, 9814299), (2541, 8029881), (3267, 6245463), (6237, 3271433), (7623, 2676627), (9801, 2081821), (22869, 892209), (68607, 297403)]