81847041

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{419}}^1$

素因数の和:613

約数の個数: 32

約数和(自身を含む): 120960000

約数和(自身を除く): 39112959

約数列:

[1, 3, 19, 23, 57, 69, 149, 419, 437, 447, 1257, 1311, 2831, 3427, 7961, 8493, 9637, 10281, 23883, 28911, 62431, 65113, 183103, 187293, 195339, 549309, 1186189, 1435913, 3558567, 4307739, 27282347, 81847041]

約数ペア:

[(1, 81847041), (3, 27282347), (19, 4307739), (23, 3558567), (57, 1435913), (69, 1186189), (149, 549309), (419, 195339), (437, 187293), (447, 183103), (1257, 65113), (1311, 62431), (2831, 28911), (3427, 23883), (7961, 10281), (8493, 9637)]