201321891

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{11003}}^1$

素因数の和:11135

約数の個数: 24

約数和(自身を含む): 308992320

約数和(自身を除く): 107670429

約数列:

[1, 3, 9, 19, 57, 107, 171, 321, 963, 2033, 6099, 11003, 18297, 33009, 99027, 209057, 627171, 1177321, 1881513, 3531963, 10595889, 22369099, 67107297, 201321891]

約数ペア:

[(1, 201321891), (3, 67107297), (9, 22369099), (19, 10595889), (57, 3531963), (107, 1881513), (171, 1177321), (321, 627171), (963, 209057), (2033, 99027), (6099, 33009), (11003, 18297)]