66947517

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1901}}^1$

素因数の和:1970

約数の個数: 48

約数和(自身を含む): 121849728

約数和(自身を除く): 54902211

約数列:

[1, 3, 7, 9, 13, 21, 39, 43, 63, 91, 117, 129, 273, 301, 387, 559, 819, 903, 1677, 1901, 2709, 3913, 5031, 5703, 11739, 13307, 17109, 24713, 35217, 39921, 74139, 81743, 119763, 172991, 222417, 245229, 518973, 572201, 735687, 1062659, 1556919, 1716603, 3187977, 5149809, 7438613, 9563931, 22315839, 66947517]

約数ペア:

[(1, 66947517), (3, 22315839), (7, 9563931), (9, 7438613), (13, 5149809), (21, 3187977), (39, 1716603), (43, 1556919), (63, 1062659), (91, 735687), (117, 572201), (129, 518973), (273, 245229), (301, 222417), (387, 172991), (559, 119763), (819, 81743), (903, 74139), (1677, 39921), (1901, 35217), (2709, 24713), (3913, 17109), (5031, 13307), (5703, 11739)]