1680497973

素因数分解:

$3^2\times 7^3\times {\mathrm{11}}^3\times {\mathrm{409}}^1$

素因数の和:469

約数の個数: 96

約数和(自身を含む): 3121248000

約数和(自身を除く): 1440750027

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 121, 147, 231, 343, 363, 409, 441, 539, 693, 847, 1029, 1089, 1227, 1331, 1617, 2541, 2863, 3087, 3681, 3773, 3993, 4499, 4851, 5929, 7623, 8589, 9317, 11319, 11979, 13497, 17787, 20041, 25767, 27951, 31493, 33957, 40491, 41503, 49489, 53361, 60123, 65219, 83853, 94479, 124509, 140287, 148467, 180369, 195657, 220451, 283437, 346423, 373527, 420861, 445401, 456533, 544379, 586971, 661353, 1039269, 1262583, 1369599, 1543157, 1633137, 1984059, 2424961, 3117807, 3810653, 4108797, 4629471, 4899411, 7274883, 11431959, 13888413, 16974727, 21824649, 26674571, 34295877, 50924181, 80023713, 152772543, 186721997, 240071139, 560165991, 1680497973]

約数ペア:

[(1, 1680497973), (3, 560165991), (7, 240071139), (9, 186721997), (11, 152772543), (21, 80023713), (33, 50924181), (49, 34295877), (63, 26674571), (77, 21824649), (99, 16974727), (121, 13888413), (147, 11431959), (231, 7274883), (343, 4899411), (363, 4629471), (409, 4108797), (441, 3810653), (539, 3117807), (693, 2424961), (847, 1984059), (1029, 1633137), (1089, 1543157), (1227, 1369599), (1331, 1262583), (1617, 1039269), (2541, 661353), (2863, 586971), (3087, 544379), (3681, 456533), (3773, 445401), (3993, 420861), (4499, 373527), (4851, 346423), (5929, 283437), (7623, 220451), (8589, 195657), (9317, 180369), (11319, 148467), (11979, 140287), (13497, 124509), (17787, 94479), (20041, 83853), (25767, 65219), (27951, 60123), (31493, 53361), (33957, 49489), (40491, 41503)]