489339981

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{1394131}}^1$

素因数の和:1394153

約数の個数: 16

約数和(自身を含む): 780713920

約数和(自身を除く): 291373939

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 1394131, 4182393, 12547179, 18123703, 37641537, 54371109, 163113327, 489339981]

約数ペア:

[(1, 489339981), (3, 163113327), (9, 54371109), (13, 37641537), (27, 18123703), (39, 12547179), (117, 4182393), (351, 1394131)]