20121124863

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{178393}}^1$

素因数の和:178575

約数の個数: 32

約数和(自身を含む): 31648522752

約数和(自身を除く): 11527397889

約数列:

[1, 3, 7, 21, 41, 123, 131, 287, 393, 861, 917, 2751, 5371, 16113, 37597, 112791, 178393, 535179, 1248751, 3746253, 7314113, 21942339, 23369483, 51198791, 70108449, 153596373, 163586381, 490759143, 958148803, 2874446409, 6707041621, 20121124863]

約数ペア:

[(1, 20121124863), (3, 6707041621), (7, 2874446409), (21, 958148803), (41, 490759143), (123, 163586381), (131, 153596373), (287, 70108449), (393, 51198791), (861, 23369483), (917, 21942339), (2751, 7314113), (5371, 3746253), (16113, 1248751), (37597, 535179), (112791, 178393)]