27678021

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:409

約数の個数: 32

約数和(自身を含む): 43545600

約数和(自身を除く): 15867579

約数列:

[1, 3, 7, 21, 59, 89, 177, 251, 267, 413, 623, 753, 1239, 1757, 1869, 5251, 5271, 14809, 15753, 22339, 36757, 44427, 67017, 103663, 110271, 156373, 310989, 469119, 1318001, 3954003, 9226007, 27678021]

約数ペア:

[(1, 27678021), (3, 9226007), (7, 3954003), (21, 1318001), (59, 469119), (89, 310989), (177, 156373), (251, 110271), (267, 103663), (413, 67017), (623, 44427), (753, 36757), (1239, 22339), (1757, 15753), (1869, 14809), (5251, 5271)]