813621465

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{384691}}^1$

素因数の和:384749

約数の個数: 24

約数和(自身を含む): 1440286848

約数和(自身を除く): 626665383

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 384691, 1154073, 1923455, 3462219, 5770365, 17311095, 18080477, 54241431, 90402385, 162724293, 271207155, 813621465]

約数ペア:

[(1, 813621465), (3, 271207155), (5, 162724293), (9, 90402385), (15, 54241431), (45, 18080477), (47, 17311095), (141, 5770365), (235, 3462219), (423, 1923455), (705, 1154073), (2115, 384691)]