12657303

素因数分解:

$3^4\times {\mathrm{307}}^1\times {\mathrm{509}}^1$

素因数の和:828

約数の個数: 20

約数和(自身を含む): 19006680

約数和(自身を除く): 6349377

約数列:

[1, 3, 9, 27, 81, 307, 509, 921, 1527, 2763, 4581, 8289, 13743, 24867, 41229, 156263, 468789, 1406367, 4219101, 12657303]

約数ペア:

[(1, 12657303), (3, 4219101), (9, 1406367), (27, 468789), (81, 156263), (307, 41229), (509, 24867), (921, 13743), (1527, 8289), (2763, 4581)]