28295973

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{20549}}^1$

素因数の和:20578

約数の個数: 20

約数和(自身を含む): 44757900

約数和(自身を除く): 16461927

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 20549, 61647, 184941, 349333, 554823, 1047999, 1664469, 3143997, 9431991, 28295973]

約数ペア:

[(1, 28295973), (3, 9431991), (9, 3143997), (17, 1664469), (27, 1047999), (51, 554823), (81, 349333), (153, 184941), (459, 61647), (1377, 20549)]