27679143

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1$

素因数の和:579

約数の個数: 32

約数和(自身を含む): 41564160

約数和(自身を除く): 13885017

約数列:

[1, 3, 19, 23, 43, 57, 69, 129, 437, 491, 817, 989, 1311, 1473, 2451, 2967, 9329, 11293, 18791, 21113, 27987, 33879, 56373, 63339, 214567, 401147, 485599, 643701, 1203441, 1456797, 9226381, 27679143]

約数ペア:

[(1, 27679143), (3, 9226381), (19, 1456797), (23, 1203441), (43, 643701), (57, 485599), (69, 401147), (129, 214567), (437, 63339), (491, 56373), (817, 33879), (989, 27987), (1311, 21113), (1473, 18791), (2451, 11293), (2967, 9329)]