147842721

素因数分解:

$3^2\times {\mathrm{13}}^3\times {\mathrm{7477}}^1$

素因数の和:7522

約数の個数: 24

約数和(自身を含む): 231369320

約数和(自身を除く): 83526599

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 2197, 6591, 7477, 19773, 22431, 67293, 97201, 291603, 874809, 1263613, 3790839, 11372517, 16426969, 49280907, 147842721]

約数ペア:

[(1, 147842721), (3, 49280907), (9, 16426969), (13, 11372517), (39, 3790839), (117, 1263613), (169, 874809), (507, 291603), (1521, 97201), (2197, 67293), (6591, 22431), (7477, 19773)]