12980985

素因数分解:

$3^1\times 5^1\times {\mathrm{487}}^1\times {\mathrm{1777}}^1$

素因数の和:2272

約数の個数: 16

約数和(自身を含む): 20823936

約数和(自身を除く): 7842951

約数列:

[1, 3, 5, 15, 487, 1461, 1777, 2435, 5331, 7305, 8885, 26655, 865399, 2596197, 4326995, 12980985]

約数ペア:

[(1, 12980985), (3, 4326995), (5, 2596197), (15, 865399), (487, 26655), (1461, 8885), (1777, 7305), (2435, 5331)]