205504509

素因数分解:

$3^1\times 7^1\times {\mathrm{1949}}^1\times {\mathrm{5021}}^1$

素因数の和:6980

約数の個数: 16

約数和(自身を含む): 313372800

約数和(自身を除く): 107868291

約数列:

[1, 3, 7, 21, 1949, 5021, 5847, 13643, 15063, 35147, 40929, 105441, 9785929, 29357787, 68501503, 205504509]

約数ペア:

[(1, 205504509), (3, 68501503), (7, 29357787), (21, 9785929), (1949, 105441), (5021, 40929), (5847, 35147), (13643, 15063)]