211012011

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{49991}}^1$

素因数の和:50071

約数の個数: 24

約数和(自身を含む): 353543424

約数和(自身を除く): 142531413

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 4221, 49991, 149973, 349937, 449919, 1049811, 3149433, 3349397, 10048191, 23445779, 30144573, 70337337, 211012011]

約数ペア:

[(1, 211012011), (3, 70337337), (7, 30144573), (9, 23445779), (21, 10048191), (63, 3349397), (67, 3149433), (201, 1049811), (469, 449919), (603, 349937), (1407, 149973), (4221, 49991)]