156939489

素因数分解:

$3^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{13763}}^1$

素因数の和:13957

約数の個数: 24

約数和(自身を含む): 260524992

約数和(自身を除く): 103585503

約数列:

[1, 3, 7, 9, 21, 63, 181, 543, 1267, 1629, 3801, 11403, 13763, 41289, 96341, 123867, 289023, 867069, 2491103, 7473309, 17437721, 22419927, 52313163, 156939489]

約数ペア:

[(1, 156939489), (3, 52313163), (7, 22419927), (9, 17437721), (21, 7473309), (63, 2491103), (181, 867069), (543, 289023), (1267, 123867), (1629, 96341), (3801, 41289), (11403, 13763)]