2157147

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{613}}^1$

素因数の和:659

約数の個数: 24

約数和(自身を含む): 3448224

約数和(自身を除く): 1291077

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 391, 613, 1173, 1839, 3519, 5517, 10421, 14099, 31263, 42297, 93789, 126891, 239683, 719049, 2157147]

約数ペア:

[(1, 2157147), (3, 719049), (9, 239683), (17, 126891), (23, 93789), (51, 42297), (69, 31263), (153, 14099), (207, 10421), (391, 5517), (613, 3519), (1173, 1839)]