61331319

素因数分解:

$3^2\times 7^1\times {\mathrm{487}}^1\times {\mathrm{1999}}^1$

素因数の和:2499

約数の個数: 24

約数和(自身を含む): 101504000

約数和(自身を除く): 40172681

約数列:

[1, 3, 7, 9, 21, 63, 487, 1461, 1999, 3409, 4383, 5997, 10227, 13993, 17991, 30681, 41979, 125937, 973513, 2920539, 6814591, 8761617, 20443773, 61331319]

約数ペア:

[(1, 61331319), (3, 20443773), (7, 8761617), (9, 6814591), (21, 2920539), (63, 973513), (487, 125937), (1461, 41979), (1999, 30681), (3409, 17991), (4383, 13993), (5997, 10227)]