28205091

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{20483}}^1$

素因数の和:20512

約数の個数: 20

約数和(自身を含む): 44614152

約数和(自身を除く): 16409061

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 20483, 61449, 184347, 348211, 553041, 1044633, 1659123, 3133899, 9401697, 28205091]

約数ペア:

[(1, 28205091), (3, 9401697), (9, 3133899), (17, 1659123), (27, 1044633), (51, 553041), (81, 348211), (153, 184347), (459, 61449), (1377, 20483)]