289090719

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{3851}}^1$

素因数の和:4315

約数の個数: 24

約数和(自身を含む): 440668800

約数和(自身を除く): 151578081

約数列:

[1, 3, 9, 19, 57, 171, 439, 1317, 3851, 3951, 8341, 11553, 25023, 34659, 73169, 75069, 219507, 658521, 1690589, 5071767, 15215301, 32121191, 96363573, 289090719]

約数ペア:

[(1, 289090719), (3, 96363573), (9, 32121191), (19, 15215301), (57, 5071767), (171, 1690589), (439, 658521), (1317, 219507), (3851, 75069), (3951, 73169), (8341, 34659), (11553, 25023)]