81277345

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{1217}}^1$

素因数の和:1297

約数の個数: 24

約数和(自身を含む): 105805224

約数和(自身を除く): 24527879

約数列:

[1, 5, 19, 37, 95, 185, 361, 703, 1217, 1805, 3515, 6085, 13357, 23123, 45029, 66785, 115615, 225145, 439337, 855551, 2196685, 4277755, 16255469, 81277345]

約数ペア:

[(1, 81277345), (5, 16255469), (19, 4277755), (37, 2196685), (95, 855551), (185, 439337), (361, 225145), (703, 115615), (1217, 66785), (1805, 45029), (3515, 23123), (6085, 13357)]