216789771

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{16141}}^1$

素因数の和:16203

約数の個数: 24

約数和(自身を含む): 326326672

約数和(自身を除く): 109536901

約数列:

[1, 3, 11, 33, 37, 111, 121, 363, 407, 1221, 4477, 13431, 16141, 48423, 177551, 532653, 597217, 1791651, 1953061, 5859183, 6569387, 19708161, 72263257, 216789771]

約数ペア:

[(1, 216789771), (3, 72263257), (11, 19708161), (33, 6569387), (37, 5859183), (111, 1953061), (121, 1791651), (363, 597217), (407, 532653), (1221, 177551), (4477, 48423), (13431, 16141)]