381554955

素因数分解:

$3^9\times 5^1\times {\mathrm{3877}}^1$

素因数の和:3909

約数の個数: 40

約数和(自身を含む): 686964432

約数和(自身を除く): 305409477

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 2187, 3645, 3877, 6561, 10935, 11631, 19385, 19683, 32805, 34893, 58155, 98415, 104679, 174465, 314037, 523395, 942111, 1570185, 2826333, 4710555, 8478999, 14131665, 25436997, 42394995, 76310991, 127184985, 381554955]

約数ペア:

[(1, 381554955), (3, 127184985), (5, 76310991), (9, 42394995), (15, 25436997), (27, 14131665), (45, 8478999), (81, 4710555), (135, 2826333), (243, 1570185), (405, 942111), (729, 523395), (1215, 314037), (2187, 174465), (3645, 104679), (3877, 98415), (6561, 58155), (10935, 34893), (11631, 32805), (19385, 19683)]