201639771

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{30649}}^1$

素因数の和:30715

約数の個数: 24

約数和(自身を含む): 315572400

約数和(自身を除く): 113932629

約数列:

[1, 3, 9, 17, 43, 51, 129, 153, 387, 731, 2193, 6579, 30649, 91947, 275841, 521033, 1317907, 1563099, 3953721, 4689297, 11861163, 22404419, 67213257, 201639771]

約数ペア:

[(1, 201639771), (3, 67213257), (9, 22404419), (17, 11861163), (43, 4689297), (51, 3953721), (129, 1563099), (153, 1317907), (387, 521033), (731, 275841), (2193, 91947), (6579, 30649)]