56687865

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{290707}}^1$

素因数の和:290728

約数の個数: 16

約数和(自身を含む): 97677888

約数和(自身を除く): 40990023

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 290707, 872121, 1453535, 3779191, 4360605, 11337573, 18895955, 56687865]

約数ペア:

[(1, 56687865), (3, 18895955), (5, 11337573), (13, 4360605), (15, 3779191), (39, 1453535), (65, 872121), (195, 290707)]