27981735

素因数分解:

$3^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{4561}}^1$

素因数の和:4978

約数の個数: 16

約数和(自身を含む): 44890080

約数和(自身を除く): 16908345

約数列:

[1, 3, 5, 15, 409, 1227, 2045, 4561, 6135, 13683, 22805, 68415, 1865449, 5596347, 9327245, 27981735]

約数ペア:

[(1, 27981735), (3, 9327245), (5, 5596347), (15, 1865449), (409, 68415), (1227, 22805), (2045, 13683), (4561, 6135)]