209950419

素因数分解:

$3^1\times 7^1\times {\mathrm{571}}^1\times {\mathrm{17509}}^1$

素因数の和:18090

約数の個数: 16

約数和(自身を含む): 320503040

約数和(自身を除く): 110552621

約数列:

[1, 3, 7, 21, 571, 1713, 3997, 11991, 17509, 52527, 122563, 367689, 9997639, 29992917, 69983473, 209950419]

約数ペア:

[(1, 209950419), (3, 69983473), (7, 29992917), (21, 9997639), (571, 367689), (1713, 122563), (3997, 52527), (11991, 17509)]