128220339

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{1553}}^1$

素因数の和:1671

約数の個数: 32

約数和(自身を含む): 193193280

約数和(自身を除く): 64972941

約数列:

[1, 3, 13, 29, 39, 73, 87, 219, 377, 949, 1131, 1553, 2117, 2847, 4659, 6351, 20189, 27521, 45037, 60567, 82563, 113369, 135111, 340107, 585481, 1473797, 1756443, 3287701, 4421391, 9863103, 42740113, 128220339]

約数ペア:

[(1, 128220339), (3, 42740113), (13, 9863103), (29, 4421391), (39, 3287701), (73, 1756443), (87, 1473797), (219, 585481), (377, 340107), (949, 135111), (1131, 113369), (1553, 82563), (2117, 60567), (2847, 45037), (4659, 27521), (6351, 20189)]