28882413

素因数分解:

$3^4\times 7^2\times {\mathrm{19}}^1\times {\mathrm{383}}^1$

素因数の和:428

約数の個数: 60

約数和(自身を含む): 52968960

約数和(自身を除く): 24086547

約数列:

[1, 3, 7, 9, 19, 21, 27, 49, 57, 63, 81, 133, 147, 171, 189, 383, 399, 441, 513, 567, 931, 1149, 1197, 1323, 1539, 2681, 2793, 3447, 3591, 3969, 7277, 8043, 8379, 10341, 10773, 18767, 21831, 24129, 25137, 31023, 50939, 56301, 65493, 72387, 75411, 152817, 168903, 196479, 217161, 356573, 458451, 506709, 589437, 1069719, 1375353, 1520127, 3209157, 4126059, 9627471, 28882413]

約数ペア:

[(1, 28882413), (3, 9627471), (7, 4126059), (9, 3209157), (19, 1520127), (21, 1375353), (27, 1069719), (49, 589437), (57, 506709), (63, 458451), (81, 356573), (133, 217161), (147, 196479), (171, 168903), (189, 152817), (383, 75411), (399, 72387), (441, 65493), (513, 56301), (567, 50939), (931, 31023), (1149, 25137), (1197, 24129), (1323, 21831), (1539, 18767), (2681, 10773), (2793, 10341), (3447, 8379), (3591, 8043), (3969, 7277)]