18543573

素因数分解:

$3^7\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:221

約数の個数: 32

約数和(自身を含む): 28470400

約数和(自身を除く): 9926827

約数列:

[1, 3, 9, 27, 61, 81, 139, 183, 243, 417, 549, 729, 1251, 1647, 2187, 3753, 4941, 8479, 11259, 14823, 25437, 33777, 44469, 76311, 101331, 133407, 228933, 303993, 686799, 2060397, 6181191, 18543573]

約数ペア:

[(1, 18543573), (3, 6181191), (9, 2060397), (27, 686799), (61, 303993), (81, 228933), (139, 133407), (183, 101331), (243, 76311), (417, 44469), (549, 33777), (729, 25437), (1251, 14823), (1647, 11259), (2187, 8479), (3753, 4941)]