220148145

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{232961}}^1$

素因数の和:232982

約数の個数: 32

約数和(自身を含む): 447287040

約数和(自身を除く): 227138895

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 232961, 698883, 1164805, 1630727, 2096649, 3494415, 4892181, 6289947, 8153635, 10483245, 14676543, 24460905, 31449735, 44029629, 73382715, 220148145]

約数ペア:

[(1, 220148145), (3, 73382715), (5, 44029629), (7, 31449735), (9, 24460905), (15, 14676543), (21, 10483245), (27, 8153635), (35, 6289947), (45, 4892181), (63, 3494415), (105, 2096649), (135, 1630727), (189, 1164805), (315, 698883), (945, 232961)]