1721717943

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{2749}}^1\times {\mathrm{18979}}^1$

素因数の和:21742

約数の個数: 16

約数和(自身を含む): 2505360000

約数和(自身を除く): 783642057

約数列:

[1, 3, 11, 33, 2749, 8247, 18979, 30239, 56937, 90717, 208769, 626307, 52173271, 156519813, 573905981, 1721717943]

約数ペア:

[(1, 1721717943), (3, 573905981), (11, 156519813), (33, 52173271), (2749, 626307), (8247, 208769), (18979, 90717), (30239, 56937)]