56118015

素因数分解:

$3^4\times 5^1\times {\mathrm{138563}}^1$

素因数の和:138580

約数の個数: 20

約数和(自身を含む): 100597464

約数和(自身を除く): 44479449

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 138563, 415689, 692815, 1247067, 2078445, 3741201, 6235335, 11223603, 18706005, 56118015]

約数ペア:

[(1, 56118015), (3, 18706005), (5, 11223603), (9, 6235335), (15, 3741201), (27, 2078445), (45, 1247067), (81, 692815), (135, 415689), (405, 138563)]