13172019

素因数分解:

$3^1\times 7^1\times {\mathrm{787}}^1\times {\mathrm{797}}^1$

素因数の和:1594

約数の個数: 16

約数和(自身を含む): 20122368

約数和(自身を除く): 6950349

約数列:

[1, 3, 7, 21, 787, 797, 2361, 2391, 5509, 5579, 16527, 16737, 627239, 1881717, 4390673, 13172019]

約数ペア:

[(1, 13172019), (3, 4390673), (7, 1881717), (21, 627239), (787, 16737), (797, 16527), (2361, 5579), (2391, 5509)]