55921995

素因数分解:

$3^4\times 5^1\times {\mathrm{138079}}^1$

素因数の和:138096

約数の個数: 20

約数和(自身を含む): 100246080

約数和(自身を除く): 44324085

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 138079, 414237, 690395, 1242711, 2071185, 3728133, 6213555, 11184399, 18640665, 55921995]

約数ペア:

[(1, 55921995), (3, 18640665), (5, 11184399), (9, 6213555), (15, 3728133), (27, 2071185), (45, 1242711), (81, 690395), (135, 414237), (405, 138079)]