2017751421

素因数分解:

$3^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{487733}}^1$

素因数の和:487940

約数の個数: 16

約数和(自身を含む): 3090282624

約数和(自身を除く): 1072531203

約数列:

[1, 3, 7, 21, 197, 591, 1379, 4137, 487733, 1463199, 3414131, 10242393, 96083401, 288250203, 672583807, 2017751421]

約数ペア:

[(1, 2017751421), (3, 672583807), (7, 288250203), (21, 96083401), (197, 10242393), (591, 3414131), (1379, 1463199), (4137, 487733)]