218458431

素因数分解:

$3^3\times {\mathrm{1289}}^1\times {\mathrm{6277}}^1$

素因数の和:7575

約数の個数: 16

約数和(自身を含む): 323944800

約数和(自身を除く): 105486369

約数列:

[1, 3, 9, 27, 1289, 3867, 6277, 11601, 18831, 34803, 56493, 169479, 8091053, 24273159, 72819477, 218458431]

約数ペア:

[(1, 218458431), (3, 72819477), (9, 24273159), (27, 8091053), (1289, 169479), (3867, 56493), (6277, 34803), (11601, 18831)]