72721701

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{1193}}^1$

素因数の和:1733

約数の個数: 24

約数和(自身を含む): 113434776

約数和(自身を除く): 40713075

約数列:

[1, 3, 9, 13, 39, 117, 521, 1193, 1563, 3579, 4689, 6773, 10737, 15509, 20319, 46527, 60957, 139581, 621553, 1864659, 5593977, 8080189, 24240567, 72721701]

約数ペア:

[(1, 72721701), (3, 24240567), (9, 8080189), (13, 5593977), (39, 1864659), (117, 621553), (521, 139581), (1193, 60957), (1563, 46527), (3579, 20319), (4689, 15509), (6773, 10737)]