85871289

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{77153}}^1$

素因数の和:77216

約数の個数: 16

約数和(自身を含む): 133322112

約数和(自身を除く): 47450823

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 77153, 231459, 540071, 1620213, 4089109, 12267327, 28623763, 85871289]

約数ペア:

[(1, 85871289), (3, 28623763), (7, 12267327), (21, 4089109), (53, 1620213), (159, 540071), (371, 231459), (1113, 77153)]