1215205021

素因数分解:

${\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{6977}}^1$

素因数の和:7188

約数の個数: 16

約数和(自身を含む): 1306281600

約数和(自身を除く): 91076579

約数列:

[1, 19, 89, 103, 1691, 1957, 6977, 9167, 132563, 174173, 620953, 718631, 11798107, 13653989, 63958159, 1215205021]

約数ペア:

[(1, 1215205021), (19, 63958159), (89, 13653989), (103, 11798107), (1691, 718631), (1957, 620953), (6977, 174173), (9167, 132563)]