205126887

素因数分解:

$3^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{10039}}^1$

素因数の和:10195

約数の個数: 24

約数和(自身を含む): 320476800

約数和(自身を除く): 115349913

約数列:

[1, 3, 7, 21, 49, 139, 147, 417, 973, 2919, 6811, 10039, 20433, 30117, 70273, 210819, 491911, 1395421, 1475733, 4186263, 9767947, 29303841, 68375629, 205126887]

約数ペア:

[(1, 205126887), (3, 68375629), (7, 29303841), (21, 9767947), (49, 4186263), (139, 1475733), (147, 1395421), (417, 491911), (973, 210819), (2919, 70273), (6811, 30117), (10039, 20433)]