2016198921

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{129169}}^1$

素因数の和:129237

約数の個数: 24

約数和(自身を含む): 3023611360

約数和(自身を除く): 1007412439

約数列:

[1, 3, 11, 33, 43, 121, 129, 363, 473, 1419, 5203, 15609, 129169, 387507, 1420859, 4262577, 5554267, 15629449, 16662801, 46888347, 61096937, 183290811, 672066307, 2016198921]

約数ペア:

[(1, 2016198921), (3, 672066307), (11, 183290811), (33, 61096937), (43, 46888347), (121, 16662801), (129, 15629449), (363, 5554267), (473, 4262577), (1419, 1420859), (5203, 387507), (15609, 129169)]