28124253

素因数分解:

$3^4\times {\mathrm{103}}^1\times {\mathrm{3371}}^1$

素因数の和:3486

約数の個数: 20

約数和(自身を含む): 42433248

約数和(自身を除く): 14308995

約数列:

[1, 3, 9, 27, 81, 103, 309, 927, 2781, 3371, 8343, 10113, 30339, 91017, 273051, 347213, 1041639, 3124917, 9374751, 28124253]

約数ペア:

[(1, 28124253), (3, 9374751), (9, 3124917), (27, 1041639), (81, 347213), (103, 273051), (309, 91017), (927, 30339), (2781, 10113), (3371, 8343)]