25640433

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31307}}^1$

素因数の和:31333

約数の個数: 24

約数和(自身を含む): 45584448

約数和(自身を除く): 19944015

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 31307, 93921, 219149, 281763, 406991, 657447, 1220973, 1972341, 2848937, 3662919, 8546811, 25640433]

約数ペア:

[(1, 25640433), (3, 8546811), (7, 3662919), (9, 2848937), (13, 1972341), (21, 1220973), (39, 657447), (63, 406991), (91, 281763), (117, 219149), (273, 93921), (819, 31307)]