81530271

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{2897}}^1$

素因数の和:3015

約数の個数: 24

約数和(自身を含む): 122063760

約数和(自身を除く): 40533489

約数列:

[1, 3, 9, 53, 59, 159, 177, 477, 531, 2897, 3127, 8691, 9381, 26073, 28143, 153541, 170923, 460623, 512769, 1381869, 1538307, 9058919, 27176757, 81530271]

約数ペア:

[(1, 81530271), (3, 27176757), (9, 9058919), (53, 1538307), (59, 1381869), (159, 512769), (177, 460623), (477, 170923), (531, 153541), (2897, 28143), (3127, 26073), (8691, 9381)]