251622

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{1997}}^1$

素因数の和:2012

約数の個数: 24

約数和(自身を含む): 623376

約数和(自身を除く): 371754

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 1997, 3994, 5991, 11982, 13979, 17973, 27958, 35946, 41937, 83874, 125811, 251622]

約数ペア:

[(1, 251622), (2, 125811), (3, 83874), (6, 41937), (7, 35946), (9, 27958), (14, 17973), (18, 13979), (21, 11982), (42, 5991), (63, 3994), (126, 1997)]