2000709

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:209

約数の個数: 24

約数和(自身を含む): 3055104

約数和(自身を除く): 1054395

約数列:

[1, 3, 9, 31, 71, 93, 101, 213, 279, 303, 639, 909, 2201, 3131, 6603, 7171, 9393, 19809, 21513, 28179, 64539, 222301, 666903, 2000709]

約数ペア:

[(1, 2000709), (3, 666903), (9, 222301), (31, 64539), (71, 28179), (93, 21513), (101, 19809), (213, 9393), (279, 7171), (303, 6603), (639, 3131), (909, 2201)]