821620257

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{178187}}^1$

素因数の和:178272

約数の個数: 16

約数和(自身を含む): 1154658240

約数和(自身を除く): 333037983

約数列:

[1, 3, 29, 53, 87, 159, 1537, 4611, 178187, 534561, 5167423, 9443911, 15502269, 28331733, 273873419, 821620257]

約数ペア:

[(1, 821620257), (3, 273873419), (29, 28331733), (53, 15502269), (87, 9443911), (159, 5167423), (1537, 534561), (4611, 178187)]