81809559

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41131}}^1$

素因数の和:41167

約数の個数: 24

約数和(自身を含む): 134748432

約数和(自身を除く): 52938873

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 41131, 123393, 370179, 534703, 699227, 1604109, 2097681, 4812327, 6293043, 9089951, 27269853, 81809559]

約数ペア:

[(1, 81809559), (3, 27269853), (9, 9089951), (13, 6293043), (17, 4812327), (39, 2097681), (51, 1604109), (117, 699227), (153, 534703), (221, 370179), (663, 123393), (1989, 41131)]