388636941

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{6397}}^1$

素因数の和:6681

約数の個数: 32

約数和(自身を含む): 648603648

約数和(自身を除く): 259966707

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 263, 789, 1841, 2893, 5523, 6397, 8679, 19191, 20251, 44779, 60753, 70367, 134337, 211101, 492569, 1477707, 1682411, 5047233, 11776877, 18506521, 35330631, 55519563, 129545647, 388636941]

約数ペア:

[(1, 388636941), (3, 129545647), (7, 55519563), (11, 35330631), (21, 18506521), (33, 11776877), (77, 5047233), (231, 1682411), (263, 1477707), (789, 492569), (1841, 211101), (2893, 134337), (5523, 70367), (6397, 60753), (8679, 44779), (19191, 20251)]