80885985

素因数分解:

$3^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{15451}}^1$

素因数の和:15808

約数の個数: 16

約数和(自身を含む): 129796800

約数和(自身を除く): 48910815

約数列:

[1, 3, 5, 15, 349, 1047, 1745, 5235, 15451, 46353, 77255, 231765, 5392399, 16177197, 26961995, 80885985]

約数ペア:

[(1, 80885985), (3, 26961995), (5, 16177197), (15, 5392399), (349, 231765), (1047, 77255), (1745, 46353), (5235, 15451)]