28001325

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{33941}}^1$

素因数の和:33965

約数の個数: 24

約数和(自身を含む): 50505696

約数和(自身を除く): 22504371

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 165, 275, 825, 33941, 101823, 169705, 373351, 509115, 848525, 1120053, 1866755, 2545575, 5600265, 9333775, 28001325]

約数ペア:

[(1, 28001325), (3, 9333775), (5, 5600265), (11, 2545575), (15, 1866755), (25, 1120053), (33, 848525), (55, 509115), (75, 373351), (165, 169705), (275, 101823), (825, 33941)]