27749001

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{503}}^1$

素因数の和:621

約数の個数: 32

約数和(自身を含む): 44126208

約数和(自身を除く): 16377207

約数列:

[1, 3, 7, 21, 37, 71, 111, 213, 259, 497, 503, 777, 1491, 1509, 2627, 3521, 7881, 10563, 18389, 18611, 35713, 55167, 55833, 107139, 130277, 249991, 390831, 749973, 1321381, 3964143, 9249667, 27749001]

約数ペア:

[(1, 27749001), (3, 9249667), (7, 3964143), (21, 1321381), (37, 749973), (71, 390831), (111, 249991), (213, 130277), (259, 107139), (497, 55833), (503, 55167), (777, 35713), (1491, 18611), (1509, 18389), (2627, 10563), (3521, 7881)]