81737139

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{367}}^1\times {\mathrm{397}}^1$

素因数の和:795

約数の個数: 32

約数和(自身を含む): 126544896

約数和(自身を除く): 44807757

約数列:

[1, 3, 11, 17, 33, 51, 187, 367, 397, 561, 1101, 1191, 4037, 4367, 6239, 6749, 12111, 13101, 18717, 20247, 68629, 74239, 145699, 205887, 222717, 437097, 1602689, 2476883, 4808067, 7430649, 27245713, 81737139]

約数ペア:

[(1, 81737139), (3, 27245713), (11, 7430649), (17, 4808067), (33, 2476883), (51, 1602689), (187, 437097), (367, 222717), (397, 205887), (561, 145699), (1101, 74239), (1191, 68629), (4037, 20247), (4367, 18717), (6239, 13101), (6749, 12111)]