30047517

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{21821}}^1$

素因数の和:21850

約数の個数: 20

約数和(自身を含む): 47528316

約数和(自身を除く): 17480799

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 21821, 65463, 196389, 370957, 589167, 1112871, 1767501, 3338613, 10015839, 30047517]

約数ペア:

[(1, 30047517), (3, 10015839), (9, 3338613), (17, 1767501), (27, 1112871), (51, 589167), (81, 370957), (153, 196389), (459, 65463), (1377, 21821)]