645819327

素因数分解:

$3^2\times {\mathrm{4493}}^1\times {\mathrm{15971}}^1$

素因数の和:20470

約数の個数: 12

約数和(自身を含む): 933116184

約数和(自身を除く): 287296857

約数列:

[1, 3, 9, 4493, 13479, 15971, 40437, 47913, 143739, 71757703, 215273109, 645819327]

約数ペア:

[(1, 645819327), (3, 215273109), (9, 71757703), (4493, 143739), (13479, 47913), (15971, 40437)]