56787561

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{36899}}^1$

素因数の和:36930

約数の個数: 20

約数和(自身を含む): 89298000

約数和(自身を除く): 32510439

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 36899, 110697, 332091, 701081, 996273, 2103243, 2988819, 6309729, 18929187, 56787561]

約数ペア:

[(1, 56787561), (3, 18929187), (9, 6309729), (19, 2988819), (27, 2103243), (57, 996273), (81, 701081), (171, 332091), (513, 110697), (1539, 36899)]