2021305095

素因数分解:

$3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{212881}}^1$

素因数の和:213103

約数の個数: 24

約数和(自身を含む): 3520216752

約数和(自身を除く): 1498911657

約数列:

[1, 3, 5, 9, 15, 45, 211, 633, 1055, 1899, 3165, 9495, 212881, 638643, 1064405, 1915929, 3193215, 9579645, 44917891, 134753673, 224589455, 404261019, 673768365, 2021305095]

約数ペア:

[(1, 2021305095), (3, 673768365), (5, 404261019), (9, 224589455), (15, 134753673), (45, 44917891), (211, 9579645), (633, 3193215), (1055, 1915929), (1899, 1064405), (3165, 638643), (9495, 212881)]