155709106287

素因数分解:

$3^1\times 7^3\times {\mathrm{521}}^1\times {\mathrm{290443}}^1$

素因数の和:290988

約数の個数: 32

約数和(自身を含む): 242578828800

約数和(自身を除く): 86869722513

約数列:

[1, 3, 7, 21, 49, 147, 343, 521, 1029, 1563, 3647, 10941, 25529, 76587, 178703, 290443, 536109, 871329, 2033101, 6099303, 14231707, 42695121, 99621949, 151320803, 298865847, 453962409, 1059245621, 3177736863, 7414719347, 22244158041, 51903035429, 155709106287]

約数ペア:

[(1, 155709106287), (3, 51903035429), (7, 22244158041), (21, 7414719347), (49, 3177736863), (147, 1059245621), (343, 453962409), (521, 298865847), (1029, 151320803), (1563, 99621949), (3647, 42695121), (10941, 14231707), (25529, 6099303), (76587, 2033101), (178703, 871329), (290443, 536109)]