66772161

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{751}}^1$

素因数の和:886

約数の個数: 32

約数和(自身を含む): 102873600

約数和(自身を除く): 36101439

約数列:

[1, 3, 9, 27, 37, 89, 111, 267, 333, 751, 801, 999, 2253, 2403, 3293, 6759, 9879, 20277, 27787, 29637, 66839, 83361, 88911, 200517, 250083, 601551, 750249, 1804653, 2473043, 7419129, 22257387, 66772161]

約数ペア:

[(1, 66772161), (3, 22257387), (9, 7419129), (27, 2473043), (37, 1804653), (89, 750249), (111, 601551), (267, 250083), (333, 200517), (751, 88911), (801, 83361), (999, 66839), (2253, 29637), (2403, 27787), (3293, 20277), (6759, 9879)]