28165581

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{8669}}^1$

素因数の和:8713

約数の個数: 18

約数和(自身を含む): 42942510

約数和(自身を除く): 14776929

約数列:

[1, 3, 9, 19, 57, 171, 361, 1083, 3249, 8669, 26007, 78021, 164711, 494133, 1482399, 3129509, 9388527, 28165581]

約数ペア:

[(1, 28165581), (3, 9388527), (9, 3129509), (19, 1482399), (57, 494133), (171, 164711), (361, 78021), (1083, 26007), (3249, 8669)]