20100103911

素因数分解:

$3^6\times {\mathrm{43}}^1\times {\mathrm{641213}}^1$

素因数の和:641274

約数の個数: 28

約数和(自身を含む): 30837263688

約数和(自身を除く): 10737159777

約数列:

[1, 3, 9, 27, 43, 81, 129, 243, 387, 729, 1161, 3483, 10449, 31347, 641213, 1923639, 5770917, 17312751, 27572159, 51938253, 82716477, 155814759, 248149431, 467444277, 744448293, 2233344879, 6700034637, 20100103911]

約数ペア:

[(1, 20100103911), (3, 6700034637), (9, 2233344879), (27, 744448293), (43, 467444277), (81, 248149431), (129, 155814759), (243, 82716477), (387, 51938253), (729, 27572159), (1161, 17312751), (3483, 5770917), (10449, 1923639), (31347, 641213)]