56491731

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{19433}}^1$

素因数の和:19475

約数の個数: 24

約数和(自身を含む): 90951120

約数和(自身を除く): 34459389

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 171, 323, 969, 2907, 19433, 58299, 174897, 330361, 369227, 991083, 1107681, 2973249, 3323043, 6276859, 18830577, 56491731]

約数ペア:

[(1, 56491731), (3, 18830577), (9, 6276859), (17, 3323043), (19, 2973249), (51, 1107681), (57, 991083), (153, 369227), (171, 330361), (323, 174897), (969, 58299), (2907, 19433)]