251433

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1$

素因数の和:333

約数の個数: 24

約数和(自身を含む): 448448

約数和(自身を除く): 197015

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 307, 819, 921, 2149, 2763, 3991, 6447, 11973, 19341, 27937, 35919, 83811, 251433]

約数ペア:

[(1, 251433), (3, 83811), (7, 35919), (9, 27937), (13, 19341), (21, 11973), (39, 6447), (63, 3991), (91, 2763), (117, 2149), (273, 921), (307, 819)]