12980955

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{66569}}^1$

素因数の和:66590

約数の個数: 16

約数和(自身を含む): 22367520

約数和(自身を除く): 9386565

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 66569, 199707, 332845, 865397, 998535, 2596191, 4326985, 12980955]

約数ペア:

[(1, 12980955), (3, 4326985), (5, 2596191), (13, 998535), (15, 865397), (39, 332845), (65, 199707), (195, 66569)]