12987021

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1\times {\mathrm{307}}^1$

素因数の和:608

約数の個数: 16

約数和(自身を含む): 17740800

約数和(自身を除く): 4753779

約数列:

[1, 3, 59, 177, 239, 307, 717, 921, 14101, 18113, 42303, 54339, 73373, 220119, 4329007, 12987021]

約数ペア:

[(1, 12987021), (3, 4329007), (59, 220119), (177, 73373), (239, 54339), (307, 42303), (717, 18113), (921, 14101)]