28513629

素因数分解:

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

素因数の和:218

約数の個数: 36

約数和(自身を含む): 44255484

約数和(自身を除く): 15741855

約数列:

[1, 3, 9, 23, 53, 69, 113, 159, 207, 339, 477, 529, 1017, 1219, 1587, 2599, 3657, 4761, 5989, 7797, 10971, 17967, 23391, 28037, 53901, 59777, 84111, 137747, 179331, 252333, 413241, 537993, 1239723, 3168181, 9504543, 28513629]

約数ペア:

[(1, 28513629), (3, 9504543), (9, 3168181), (23, 1239723), (53, 537993), (69, 413241), (113, 252333), (159, 179331), (207, 137747), (339, 84111), (477, 59777), (529, 53901), (1017, 28037), (1219, 23391), (1587, 17967), (2599, 10971), (3657, 7797), (4761, 5989)]