51357789

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{337}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 88583040

約数和(自身を除く): 37225251

約数列:

[1, 3, 7, 9, 21, 41, 59, 63, 123, 177, 287, 337, 369, 413, 531, 861, 1011, 1239, 2359, 2419, 2583, 3033, 3717, 7077, 7257, 13817, 16933, 19883, 21231, 21771, 41451, 50799, 59649, 96719, 124353, 139181, 152397, 178947, 290157, 417543, 815203, 870471, 1252629, 2445609, 5706421, 7336827, 17119263, 51357789]

約数ペア:

[(1, 51357789), (3, 17119263), (7, 7336827), (9, 5706421), (21, 2445609), (41, 1252629), (59, 870471), (63, 815203), (123, 417543), (177, 290157), (287, 178947), (337, 152397), (369, 139181), (413, 124353), (531, 96719), (861, 59649), (1011, 50799), (1239, 41451), (2359, 21771), (2419, 21231), (2583, 19883), (3033, 16933), (3717, 13817), (7077, 7257)]