201646791

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{2801}}^1$

素因数の和:3247

約数の個数: 24

約数和(自身を含む): 307435440

約数和(自身を除く): 105788649

約数列:

[1, 3, 9, 19, 57, 171, 421, 1263, 2801, 3789, 7999, 8403, 23997, 25209, 53219, 71991, 159657, 478971, 1179221, 3537663, 10612989, 22405199, 67215597, 201646791]

約数ペア:

[(1, 201646791), (3, 67215597), (9, 22405199), (19, 10612989), (57, 3537663), (171, 1179221), (421, 478971), (1263, 159657), (2801, 71991), (3789, 53219), (7999, 25209), (8403, 23997)]