1218014739

素因数分解:

$3^4\times {\mathrm{641}}^1\times {\mathrm{23459}}^1$

素因数の和:24112

約数の個数: 20

約数和(自身を含む): 1822419720

約数和(自身を除く): 604404981

約数列:

[1, 3, 9, 27, 81, 641, 1923, 5769, 17307, 23459, 51921, 70377, 211131, 633393, 1900179, 15037219, 45111657, 135334971, 406004913, 1218014739]

約数ペア:

[(1, 1218014739), (3, 406004913), (9, 135334971), (27, 45111657), (81, 15037219), (641, 1900179), (1923, 633393), (5769, 211131), (17307, 70377), (23459, 51921)]