1991055

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1097}}^1$

素因数の和:1127

約数の個数: 24

約数和(自身を含む): 3504816

約数和(自身を除く): 1513761

約数列:

[1, 3, 5, 11, 15, 33, 55, 121, 165, 363, 605, 1097, 1815, 3291, 5485, 12067, 16455, 36201, 60335, 132737, 181005, 398211, 663685, 1991055]

約数ペア:

[(1, 1991055), (3, 663685), (5, 398211), (11, 181005), (15, 132737), (33, 60335), (55, 36201), (121, 16455), (165, 12067), (363, 5485), (605, 3291), (1097, 1815)]