7985745

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4127}}^1$

素因数の和:4181

約数の個数: 24

約数和(自身を含む): 14167296

約数和(自身を除く): 6181551

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 4127, 12381, 20635, 37143, 61905, 177461, 185715, 532383, 887305, 1597149, 2661915, 7985745]

約数ペア:

[(1, 7985745), (3, 2661915), (5, 1597149), (9, 887305), (15, 532383), (43, 185715), (45, 177461), (129, 61905), (215, 37143), (387, 20635), (645, 12381), (1935, 4127)]