211375675

素因数分解:

$5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{19801}}^1$

素因数の和:19879

約数の個数: 24

約数和(自身を含む): 304475552

約数和(自身を除く): 93099877

約数列:

[1, 5, 7, 25, 35, 61, 175, 305, 427, 1525, 2135, 10675, 19801, 99005, 138607, 495025, 693035, 1207861, 3465175, 6039305, 8455027, 30196525, 42275135, 211375675]

約数ペア:

[(1, 211375675), (5, 42275135), (7, 30196525), (25, 8455027), (35, 6039305), (61, 3465175), (175, 1207861), (305, 693035), (427, 495025), (1525, 138607), (2135, 99005), (10675, 19801)]