20138180877

素因数分解:

$3^4\times {\mathrm{109}}^1\times {\mathrm{137}}^1\times {\mathrm{16649}}^1$

素因数の和:16907

約数の個数: 40

約数和(自身を含む): 30582387000

約数和(自身を除く): 10444206123

約数列:

[1, 3, 9, 27, 81, 109, 137, 327, 411, 981, 1233, 2943, 3699, 8829, 11097, 14933, 16649, 44799, 49947, 134397, 149841, 403191, 449523, 1209573, 1348569, 1814741, 2280913, 5444223, 6842739, 16332669, 20528217, 48998007, 61584651, 146994021, 184753953, 248619517, 745858551, 2237575653, 6712726959, 20138180877]

約数ペア:

[(1, 20138180877), (3, 6712726959), (9, 2237575653), (27, 745858551), (81, 248619517), (109, 184753953), (137, 146994021), (327, 61584651), (411, 48998007), (981, 20528217), (1233, 16332669), (2943, 6842739), (3699, 5444223), (8829, 2280913), (11097, 1814741), (14933, 1348569), (16649, 1209573), (44799, 449523), (49947, 403191), (134397, 149841)]