138222777

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{409}}^1$

素因数の和:467

約数の個数: 72

約数和(自身を含む): 248656800

約数和(自身を除く): 110434023

約数列:

[1, 3, 7, 11, 19, 21, 33, 49, 57, 77, 121, 133, 147, 209, 231, 363, 399, 409, 539, 627, 847, 931, 1227, 1463, 1617, 2299, 2541, 2793, 2863, 4389, 4499, 5929, 6897, 7771, 8589, 10241, 13497, 16093, 17787, 20041, 23313, 30723, 31493, 48279, 49489, 54397, 60123, 85481, 94479, 112651, 148467, 163191, 220451, 256443, 337953, 346423, 380779, 598367, 661353, 940291, 1039269, 1142337, 1795101, 2424961, 2820873, 4188569, 6582037, 7274883, 12565707, 19746111, 46074259, 138222777]

約数ペア:

[(1, 138222777), (3, 46074259), (7, 19746111), (11, 12565707), (19, 7274883), (21, 6582037), (33, 4188569), (49, 2820873), (57, 2424961), (77, 1795101), (121, 1142337), (133, 1039269), (147, 940291), (209, 661353), (231, 598367), (363, 380779), (399, 346423), (409, 337953), (539, 256443), (627, 220451), (847, 163191), (931, 148467), (1227, 112651), (1463, 94479), (1617, 85481), (2299, 60123), (2541, 54397), (2793, 49489), (2863, 48279), (4389, 31493), (4499, 30723), (5929, 23313), (6897, 20041), (7771, 17787), (8589, 16093), (10241, 13497)]