201489981

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{872251}}^1$

素因数の和:872272

約数の個数: 16

約数和(自身を含む): 334944768

約数和(自身を除く): 133454787

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 872251, 2616753, 6105757, 9594761, 18317271, 28784283, 67163327, 201489981]

約数ペア:

[(1, 201489981), (3, 67163327), (7, 28784283), (11, 18317271), (21, 9594761), (33, 6105757), (77, 2616753), (231, 872251)]