16921545

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{66359}}^1$

素因数の和:66384

約数の個数: 16

約数和(自身を含む): 28667520

約数和(自身を除く): 11745975

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 66359, 199077, 331795, 995385, 1128103, 3384309, 5640515, 16921545]

約数ペア:

[(1, 16921545), (3, 5640515), (5, 3384309), (15, 1128103), (17, 995385), (51, 331795), (85, 199077), (255, 66359)]