16628157

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 30051840

約数和(自身を除く): 13423683

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 79, 91, 117, 237, 257, 273, 553, 711, 771, 819, 1027, 1659, 1799, 2313, 3081, 3341, 4977, 5397, 7189, 9243, 10023, 16191, 20303, 21567, 23387, 30069, 60909, 64701, 70161, 142121, 182727, 210483, 263939, 426363, 791817, 1279089, 1847573, 2375451, 5542719, 16628157]

約数ペア:

[(1, 16628157), (3, 5542719), (7, 2375451), (9, 1847573), (13, 1279089), (21, 791817), (39, 426363), (63, 263939), (79, 210483), (91, 182727), (117, 142121), (237, 70161), (257, 64701), (273, 60909), (553, 30069), (711, 23387), (771, 21567), (819, 20303), (1027, 16191), (1659, 10023), (1799, 9243), (2313, 7189), (3081, 5397), (3341, 4977)]