121908213

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20807}}^1$

素因数の和:20854

約数の個数: 32

約数和(自身を含む): 213073920

約数和(自身を除く): 91165707

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 93, 189, 217, 279, 651, 837, 1953, 5859, 20807, 62421, 145649, 187263, 436947, 561789, 645017, 1310841, 1935051, 3932523, 4515119, 5805153, 13545357, 17415459, 40636071, 121908213]

約数ペア:

[(1, 121908213), (3, 40636071), (7, 17415459), (9, 13545357), (21, 5805153), (27, 4515119), (31, 3932523), (63, 1935051), (93, 1310841), (189, 645017), (217, 561789), (279, 436947), (651, 187263), (837, 145649), (1953, 62421), (5859, 20807)]