205694019

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{400963}}^1$

素因数の和:400991

約数の個数: 16

約数和(自身を含む): 320771200

約数和(自身を除く): 115077181

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 400963, 1202889, 3608667, 7618297, 10826001, 22854891, 68564673, 205694019]

約数ペア:

[(1, 205694019), (3, 68564673), (9, 22854891), (19, 10826001), (27, 7618297), (57, 3608667), (171, 1202889), (513, 400963)]