86721111

素因数分解:

$3^7\times {\mathrm{19}}^1\times {\mathrm{2087}}^1$

素因数の和:2127

約数の個数: 32

約数和(自身を含む): 136972800

約数和(自身を除く): 50251689

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 729, 1539, 2087, 2187, 4617, 6261, 13851, 18783, 39653, 41553, 56349, 118959, 169047, 356877, 507141, 1070631, 1521423, 3211893, 4564269, 9635679, 28907037, 86721111]

約数ペア:

[(1, 86721111), (3, 28907037), (9, 9635679), (19, 4564269), (27, 3211893), (57, 1521423), (81, 1070631), (171, 507141), (243, 356877), (513, 169047), (729, 118959), (1539, 56349), (2087, 41553), (2187, 39653), (4617, 18783), (6261, 13851)]