2051220213

素因数分解:

$3^3\times 7^2\times {\mathrm{1550431}}^1$

素因数の和:1550454

約数の個数: 24

約数和(自身を含む): 3534984960

約数和(自身を除く): 1483764747

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 1550431, 4651293, 10853017, 13953879, 32559051, 41861637, 75971119, 97677153, 227913357, 293031459, 683740071, 2051220213]

約数ペア:

[(1, 2051220213), (3, 683740071), (7, 293031459), (9, 227913357), (21, 97677153), (27, 75971119), (49, 41861637), (63, 32559051), (147, 13953879), (189, 10853017), (441, 4651293), (1323, 1550431)]