865986471

素因数分解:

$3^4\times 7^1\times {\mathrm{1527313}}^1$

素因数の和:1527332

約数の個数: 20

約数和(自身を含む): 1478439952

約数和(自身を除く): 612453481

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 1527313, 4581939, 10691191, 13745817, 32073573, 41237451, 96220719, 123712353, 288662157, 865986471]

約数ペア:

[(1, 865986471), (3, 288662157), (7, 123712353), (9, 96220719), (21, 41237451), (27, 32073573), (63, 13745817), (81, 10691191), (189, 4581939), (567, 1527313)]