222710877

素因数分解:

$3^4\times {\mathrm{353}}^1\times {\mathrm{7789}}^1$

素因数の和:8154

約数の個数: 20

約数和(自身を含む): 333676860

約数和(自身を除く): 110965983

約数列:

[1, 3, 9, 27, 81, 353, 1059, 3177, 7789, 9531, 23367, 28593, 70101, 210303, 630909, 2749517, 8248551, 24745653, 74236959, 222710877]

約数ペア:

[(1, 222710877), (3, 74236959), (9, 24745653), (27, 8248551), (81, 2749517), (353, 630909), (1059, 210303), (3177, 70101), (7789, 28593), (9531, 23367)]