25681131

素因数分解:

$3^4\times 7^1\times {\mathrm{45293}}^1$

素因数の和:45312

約数の個数: 20

約数和(自身を含む): 43844592

約数和(自身を除く): 18163461

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 45293, 135879, 317051, 407637, 951153, 1222911, 2853459, 3668733, 8560377, 25681131]

約数ペア:

[(1, 25681131), (3, 8560377), (7, 3668733), (9, 2853459), (21, 1222911), (27, 951153), (63, 407637), (81, 317051), (189, 135879), (567, 45293)]