1640579721

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{512521}}^1$

素因数の和:512632

約数の個数: 16

約数和(自身を含む): 2410903488

約数和(自身を除く): 770323767

約数列:

[1, 3, 11, 33, 97, 291, 1067, 3201, 512521, 1537563, 5637731, 16913193, 49714537, 149143611, 546859907, 1640579721]

約数ペア:

[(1, 1640579721), (3, 546859907), (11, 149143611), (33, 49714537), (97, 16913193), (291, 5637731), (1067, 1537563), (3201, 512521)]