81711795

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{1973}}^1$

素因数の和:2243

約数の個数: 32

約数和(自身を含む): 143265024

約数和(自身を除く): 61553229

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 251, 753, 1255, 1973, 2761, 3765, 5919, 8283, 9865, 13805, 21703, 29595, 41415, 65109, 108515, 325545, 495223, 1485669, 2476115, 5447453, 7428345, 16342359, 27237265, 81711795]

約数ペア:

[(1, 81711795), (3, 27237265), (5, 16342359), (11, 7428345), (15, 5447453), (33, 2476115), (55, 1485669), (165, 495223), (251, 325545), (753, 108515), (1255, 65109), (1973, 41415), (2761, 29595), (3765, 21703), (5919, 13805), (8283, 9865)]