128691105

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{504671}}^1$

素因数の和:504696

約数の個数: 16

約数和(自身を含む): 218018304

約数和(自身を除く): 89327199

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 504671, 1514013, 2523355, 7570065, 8579407, 25738221, 42897035, 128691105]

約数ペア:

[(1, 128691105), (3, 42897035), (5, 25738221), (15, 8579407), (17, 7570065), (51, 2523355), (85, 1514013), (255, 504671)]