1688891481

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{673}}^1\times {\mathrm{5261}}^1$

素因数の和:5993

約数の個数: 24

約数和(自身を含む): 2489704776

約数和(自身を除く): 800813295

約数列:

[1, 3, 9, 53, 159, 477, 673, 2019, 5261, 6057, 15783, 35669, 47349, 107007, 278833, 321021, 836499, 2509497, 3540653, 10621959, 31865877, 187654609, 562963827, 1688891481]

約数ペア:

[(1, 1688891481), (3, 562963827), (9, 187654609), (53, 31865877), (159, 10621959), (477, 3540653), (673, 2509497), (2019, 836499), (5261, 321021), (6057, 278833), (15783, 107007), (35669, 47349)]