81561369

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{5419}}^1$

素因数の和:5624

約数の個数: 16

約数和(自身を含む): 113169600

約数和(自身を除く): 31608231

約数列:

[1, 3, 29, 87, 173, 519, 5017, 5419, 15051, 16257, 157151, 471453, 937487, 2812461, 27187123, 81561369]

約数ペア:

[(1, 81561369), (3, 27187123), (29, 2812461), (87, 937487), (173, 471453), (519, 157151), (5017, 16257), (5419, 15051)]