207768771

素因数分解:

$3^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{11491}}^1$

素因数の和:11552

約数の個数: 36

約数和(自身を含む): 357654024

約数和(自身を除く): 149885253

約数列:

[1, 3, 7, 9, 21, 41, 49, 63, 123, 147, 287, 369, 441, 861, 2009, 2583, 6027, 11491, 18081, 34473, 80437, 103419, 241311, 471131, 563059, 723933, 1413393, 1689177, 3297917, 4240179, 5067531, 9893751, 23085419, 29681253, 69256257, 207768771]

約数ペア:

[(1, 207768771), (3, 69256257), (7, 29681253), (9, 23085419), (21, 9893751), (41, 5067531), (49, 4240179), (63, 3297917), (123, 1689177), (147, 1413393), (287, 723933), (369, 563059), (441, 471131), (861, 241311), (2009, 103419), (2583, 80437), (6027, 34473), (11491, 18081)]