28990827

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{8923}}^1$

素因数の和:8967

約数の個数: 18

約数和(自身を含む): 44200572

約数和(自身を除く): 15209745

約数列:

[1, 3, 9, 19, 57, 171, 361, 1083, 3249, 8923, 26769, 80307, 169537, 508611, 1525833, 3221203, 9663609, 28990827]

約数ペア:

[(1, 28990827), (3, 9663609), (9, 3221203), (19, 1525833), (57, 508611), (171, 169537), (361, 80307), (1083, 26769), (3249, 8923)]