27420687

素因数分解:

$3^4\times 7^1\times {\mathrm{137}}^1\times {\mathrm{353}}^1$

素因数の和:509

約数の個数: 40

約数和(自身を含む): 47288736

約数和(自身を除く): 19868049

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 137, 189, 353, 411, 567, 959, 1059, 1233, 2471, 2877, 3177, 3699, 7413, 8631, 9531, 11097, 22239, 25893, 28593, 48361, 66717, 77679, 145083, 200151, 338527, 435249, 1015581, 1305747, 3046743, 3917241, 9140229, 27420687]

約数ペア:

[(1, 27420687), (3, 9140229), (7, 3917241), (9, 3046743), (21, 1305747), (27, 1015581), (63, 435249), (81, 338527), (137, 200151), (189, 145083), (353, 77679), (411, 66717), (567, 48361), (959, 28593), (1059, 25893), (1233, 22239), (2471, 11097), (2877, 9531), (3177, 8631), (3699, 7413)]