1239723

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:195

約数の個数: 24

約数和(自身を含む): 1920672

約数和(自身を除く): 680949

約数列:

[1, 3, 9, 23, 53, 69, 113, 159, 207, 339, 477, 1017, 1219, 2599, 3657, 5989, 7797, 10971, 17967, 23391, 53901, 137747, 413241, 1239723]

約数ペア:

[(1, 1239723), (3, 413241), (9, 137747), (23, 53901), (53, 23391), (69, 17967), (113, 10971), (159, 7797), (207, 5989), (339, 3657), (477, 2599), (1017, 1219)]