81837369

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{1439}}^1$

素因数の和:1605

約数の個数: 24

約数和(自身を含む): 121305600

約数和(自身を除く): 39468231

約数列:

[1, 3, 9, 71, 89, 213, 267, 639, 801, 1439, 4317, 6319, 12951, 18957, 56871, 102169, 128071, 306507, 384213, 919521, 1152639, 9093041, 27279123, 81837369]

約数ペア:

[(1, 81837369), (3, 27279123), (9, 9093041), (71, 1152639), (89, 919521), (213, 384213), (267, 306507), (639, 128071), (801, 102169), (1439, 56871), (4317, 18957), (6319, 12951)]