561245139

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{228427}}^1$

素因数の和:228456

約数の個数: 32

約数和(自身を含む): 1023357440

約数和(自身を除く): 462112301

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 228427, 685281, 1598989, 2055843, 2969551, 4796967, 6167529, 8908653, 14390901, 20786857, 26725959, 43172703, 62360571, 80177877, 187081713, 561245139]

約数ペア:

[(1, 561245139), (3, 187081713), (7, 80177877), (9, 62360571), (13, 43172703), (21, 26725959), (27, 20786857), (39, 14390901), (63, 8908653), (91, 6167529), (117, 4796967), (189, 2969551), (273, 2055843), (351, 1598989), (819, 685281), (2457, 228427)]