291255399

素因数分解:

$3^3\times {\mathrm{509}}^1\times {\mathrm{21193}}^1$

素因数の和:21711

約数の個数: 16

約数和(自身を含む): 432357600

約数和(自身を除く): 141102201

約数列:

[1, 3, 9, 27, 509, 1527, 4581, 13743, 21193, 63579, 190737, 572211, 10787237, 32361711, 97085133, 291255399]

約数ペア:

[(1, 291255399), (3, 97085133), (9, 32361711), (27, 10787237), (509, 572211), (1527, 190737), (4581, 63579), (13743, 21193)]