31190001

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{643}}^1$

素因数の和:725

約数の個数: 32

約数和(自身を含む): 46986240

約数和(自身を除く): 15796239

約数列:

[1, 3, 19, 23, 37, 57, 69, 111, 437, 643, 703, 851, 1311, 1929, 2109, 2553, 12217, 14789, 16169, 23791, 36651, 44367, 48507, 71373, 280991, 452029, 547193, 842973, 1356087, 1641579, 10396667, 31190001]

約数ペア:

[(1, 31190001), (3, 10396667), (19, 1641579), (23, 1356087), (37, 842973), (57, 547193), (69, 452029), (111, 280991), (437, 71373), (643, 48507), (703, 44367), (851, 36651), (1311, 23791), (1929, 16169), (2109, 14789), (2553, 12217)]