81855945

素因数分解:

$3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{14323}}^1$

素因数の和:14461

約数の個数: 24

約数和(自身を含む): 143010816

約数和(自身を除く): 61154871

約数列:

[1, 3, 5, 9, 15, 45, 127, 381, 635, 1143, 1905, 5715, 14323, 42969, 71615, 128907, 214845, 644535, 1819021, 5457063, 9095105, 16371189, 27285315, 81855945]

約数ペア:

[(1, 81855945), (3, 27285315), (5, 16371189), (9, 9095105), (15, 5457063), (45, 1819021), (127, 644535), (381, 214845), (635, 128907), (1143, 71615), (1905, 42969), (5715, 14323)]