16580277

素因数分解:

$3^2\times 7^3\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:199

約数の個数: 48

約数和(自身を含む): 28828800

約数和(自身を除く): 12248523

約数列:

[1, 3, 7, 9, 21, 41, 49, 63, 123, 131, 147, 287, 343, 369, 393, 441, 861, 917, 1029, 1179, 2009, 2583, 2751, 3087, 5371, 6027, 6419, 8253, 14063, 16113, 18081, 19257, 37597, 42189, 44933, 48339, 57771, 112791, 126567, 134799, 263179, 338373, 404397, 789537, 1842253, 2368611, 5526759, 16580277]

約数ペア:

[(1, 16580277), (3, 5526759), (7, 2368611), (9, 1842253), (21, 789537), (41, 404397), (49, 338373), (63, 263179), (123, 134799), (131, 126567), (147, 112791), (287, 57771), (343, 48339), (369, 44933), (393, 42189), (441, 37597), (861, 19257), (917, 18081), (1029, 16113), (1179, 14063), (2009, 8253), (2583, 6419), (2751, 6027), (3087, 5371)]