207305469

素因数分解:

$3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{20959}}^1$

素因数の和:21129

約数の個数: 24

約数和(自身を含む): 344414720

約数和(自身を除く): 137109251

約数列:

[1, 3, 7, 9, 21, 63, 157, 471, 1099, 1413, 3297, 9891, 20959, 62877, 146713, 188631, 440139, 1320417, 3290563, 9871689, 23033941, 29615067, 69101823, 207305469]

約数ペア:

[(1, 207305469), (3, 69101823), (7, 29615067), (9, 23033941), (21, 9871689), (63, 3290563), (157, 1320417), (471, 440139), (1099, 188631), (1413, 146713), (3297, 62877), (9891, 20959)]