198565521

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{7607}}^1$

素因数の和:7741

約数の個数: 32

約数和(自身を含む): 333047808

約数和(自身を除く): 134482287

約数列:

[1, 3, 7, 11, 21, 33, 77, 113, 231, 339, 791, 1243, 2373, 3729, 7607, 8701, 22821, 26103, 53249, 83677, 159747, 251031, 585739, 859591, 1757217, 2578773, 6017137, 9455501, 18051411, 28366503, 66188507, 198565521]

約数ペア:

[(1, 198565521), (3, 66188507), (7, 28366503), (11, 18051411), (21, 9455501), (33, 6017137), (77, 2578773), (113, 1757217), (231, 859591), (339, 585739), (791, 251031), (1243, 159747), (2373, 83677), (3729, 53249), (7607, 26103), (8701, 22821)]