200783331

素因数分解:

$3^2\times 7^2\times {\mathrm{455291}}^1$

素因数の和:455311

約数の個数: 18

約数和(自身を含む): 337371372

約数和(自身を除く): 136588041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 455291, 1365873, 3187037, 4097619, 9561111, 22309259, 28683333, 66927777, 200783331]

約数ペア:

[(1, 200783331), (3, 66927777), (7, 28683333), (9, 22309259), (21, 9561111), (49, 4097619), (63, 3187037), (147, 1365873), (441, 455291)]