388805967

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{991}}^1\times {\mathrm{1321}}^1$

素因数の和:2332

約数の個数: 32

約数和(自身を含む): 629483520

約数和(自身を除く): 240677553

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 991, 1321, 2973, 3963, 8919, 10901, 11889, 14531, 26757, 32703, 35667, 43593, 98109, 130779, 294327, 392337, 1309111, 3927333, 11781999, 14400221, 35345997, 43200663, 129601989, 388805967]

約数ペア:

[(1, 388805967), (3, 129601989), (9, 43200663), (11, 35345997), (27, 14400221), (33, 11781999), (99, 3927333), (297, 1309111), (991, 392337), (1321, 294327), (2973, 130779), (3963, 98109), (8919, 43593), (10901, 35667), (11889, 32703), (14531, 26757)]