28971867

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1\times {\mathrm{709}}^1$

素因数の和:1022

約数の個数: 16

約数和(自身を含む): 39566880

約数和(自身を除く): 10595013

約数列:

[1, 3, 53, 159, 257, 709, 771, 2127, 13621, 37577, 40863, 112731, 182213, 546639, 9657289, 28971867]

約数ペア:

[(1, 28971867), (3, 9657289), (53, 546639), (159, 182213), (257, 112731), (709, 40863), (771, 37577), (2127, 13621)]