2147255721

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{965927}}^1$

素因数の和:965965

約数の個数: 24

約数和(自身を含む): 3515977920

約数和(自身を除く): 1368722199

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 965927, 2897781, 8693343, 12557051, 18352613, 37671153, 55057839, 113013459, 165173517, 238583969, 715751907, 2147255721]

約数ペア:

[(1, 2147255721), (3, 715751907), (9, 238583969), (13, 165173517), (19, 113013459), (39, 55057839), (57, 37671153), (117, 18352613), (171, 12557051), (247, 8693343), (741, 2897781), (2223, 965927)]