201929049

素因数分解:

$3^2\times 7^2\times {\mathrm{457889}}^1$

素因数の和:457909

約数の個数: 18

約数和(自身を含む): 339296490

約数和(自身を除く): 137367441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 457889, 1373667, 3205223, 4121001, 9615669, 22436561, 28847007, 67309683, 201929049]

約数ペア:

[(1, 201929049), (3, 67309683), (7, 28847007), (9, 22436561), (21, 9615669), (49, 4121001), (63, 3205223), (147, 1373667), (441, 457889)]