28266939

素因数分解:

$3^2\times {\mathrm{107}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:459

約数の個数: 24

約数和(自身を含む): 41698800

約数和(自身を除く): 13431861

約数列:

[1, 3, 9, 107, 149, 197, 321, 447, 591, 963, 1341, 1773, 15943, 21079, 29353, 47829, 63237, 88059, 143487, 189711, 264177, 3140771, 9422313, 28266939]

約数ペア:

[(1, 28266939), (3, 9422313), (9, 3140771), (107, 264177), (149, 189711), (197, 143487), (321, 88059), (447, 63237), (591, 47829), (963, 29353), (1341, 21079), (1773, 15943)]