661845987

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{15091}}^1$

素因数の和:15551

約数の個数: 24

約数和(自身を含む): 1045332288

約数和(自身を除く): 383486301

約数列:

[1, 3, 9, 11, 33, 99, 443, 1329, 3987, 4873, 14619, 15091, 43857, 45273, 135819, 166001, 498003, 1494009, 6685313, 20055939, 60167817, 73538443, 220615329, 661845987]

約数ペア:

[(1, 661845987), (3, 220615329), (9, 73538443), (11, 60167817), (33, 20055939), (99, 6685313), (443, 1494009), (1329, 498003), (3987, 166001), (4873, 135819), (14619, 45273), (15091, 43857)]