12627981

素因数分解:

$3^5\times {\mathrm{157}}^1\times {\mathrm{331}}^1$

素因数の和:503

約数の個数: 24

約数和(自身を含む): 19093984

約数和(自身を除く): 6466003

約数列:

[1, 3, 9, 27, 81, 157, 243, 331, 471, 993, 1413, 2979, 4239, 8937, 12717, 26811, 38151, 51967, 80433, 155901, 467703, 1403109, 4209327, 12627981]

約数ペア:

[(1, 12627981), (3, 4209327), (9, 1403109), (27, 467703), (81, 155901), (157, 80433), (243, 51967), (331, 38151), (471, 26811), (993, 12717), (1413, 8937), (2979, 4239)]