189391305

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{742711}}^1$

素因数の和:742736

約数の個数: 16

約数和(自身を含む): 320851584

約数和(自身を除く): 131460279

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 742711, 2228133, 3713555, 11140665, 12626087, 37878261, 63130435, 189391305]

約数ペア:

[(1, 189391305), (3, 63130435), (5, 37878261), (15, 12626087), (17, 11140665), (51, 3713555), (85, 2228133), (255, 742711)]