28770471

素因数分解:

$3^5\times {\mathrm{197}}^1\times {\mathrm{601}}^1$

素因数の和:813

約数の個数: 24

約数和(自身を含む): 43387344

約数和(自身を除く): 14616873

約数列:

[1, 3, 9, 27, 81, 197, 243, 591, 601, 1773, 1803, 5319, 5409, 15957, 16227, 47871, 48681, 118397, 146043, 355191, 1065573, 3196719, 9590157, 28770471]

約数ペア:

[(1, 28770471), (3, 9590157), (9, 3196719), (27, 1065573), (81, 355191), (197, 146043), (243, 118397), (591, 48681), (601, 47871), (1773, 16227), (1803, 15957), (5319, 5409)]