199131489

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{509}}^1\times {\mathrm{2557}}^1$

素因数の和:3089

約数の個数: 24

約数和(自身を含む): 305271720

約数和(自身を除く): 106140231

約数列:

[1, 3, 9, 17, 51, 153, 509, 1527, 2557, 4581, 7671, 8653, 23013, 25959, 43469, 77877, 130407, 391221, 1301513, 3904539, 11713617, 22125721, 66377163, 199131489]

約数ペア:

[(1, 199131489), (3, 66377163), (9, 22125721), (17, 11713617), (51, 3904539), (153, 1301513), (509, 391221), (1527, 130407), (2557, 77877), (4581, 43469), (7671, 25959), (8653, 23013)]