388989783

素因数分解:

$3^5\times 7^3\times {\mathrm{13}}^1\times {\mathrm{359}}^1$

素因数の和:408

約数の個数: 96

約数和(自身を含む): 733824000

約数和(自身を除く): 344834217

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 81, 91, 117, 147, 189, 243, 273, 343, 351, 359, 441, 567, 637, 819, 1029, 1053, 1077, 1323, 1701, 1911, 2457, 2513, 3087, 3159, 3231, 3969, 4459, 4667, 5733, 7371, 7539, 9261, 9693, 11907, 13377, 14001, 17199, 17591, 22113, 22617, 27783, 29079, 32669, 40131, 42003, 51597, 52773, 67851, 83349, 87237, 98007, 120393, 123137, 126009, 154791, 158319, 203553, 228683, 294021, 361179, 369411, 378027, 474957, 610659, 686049, 882063, 1083537, 1108233, 1134081, 1424871, 1600781, 2058147, 2646189, 3324699, 4274613, 4802343, 6174441, 7938567, 9974097, 14407029, 18523323, 29922291, 43221087, 55569969, 129663261, 388989783]

約数ペア:

[(1, 388989783), (3, 129663261), (7, 55569969), (9, 43221087), (13, 29922291), (21, 18523323), (27, 14407029), (39, 9974097), (49, 7938567), (63, 6174441), (81, 4802343), (91, 4274613), (117, 3324699), (147, 2646189), (189, 2058147), (243, 1600781), (273, 1424871), (343, 1134081), (351, 1108233), (359, 1083537), (441, 882063), (567, 686049), (637, 610659), (819, 474957), (1029, 378027), (1053, 369411), (1077, 361179), (1323, 294021), (1701, 228683), (1911, 203553), (2457, 158319), (2513, 154791), (3087, 126009), (3159, 123137), (3231, 120393), (3969, 98007), (4459, 87237), (4667, 83349), (5733, 67851), (7371, 52773), (7539, 51597), (9261, 42003), (9693, 40131), (11907, 32669), (13377, 29079), (14001, 27783), (17199, 22617), (17591, 22113)]