201889359

素因数分解:

$3^2\times 7^2\times {\mathrm{457799}}^1$

素因数の和:457819

約数の個数: 18

約数和(自身を含む): 339229800

約数和(自身を除く): 137340441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 457799, 1373397, 3204593, 4120191, 9613779, 22432151, 28841337, 67296453, 201889359]

約数ペア:

[(1, 201889359), (3, 67296453), (7, 28841337), (9, 22432151), (21, 9613779), (49, 4120191), (63, 3204593), (147, 1373397), (441, 457799)]