28907037

素因数分解:

$3^6\times {\mathrm{19}}^1\times {\mathrm{2087}}^1$

素因数の和:2124

約数の個数: 28

約数和(自身を含む): 45643680

約数和(自身を除く): 16736643

約数列:

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

約数ペア:

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