320931315

素因数分解:

$3^{10}\times 5^1\times {\mathrm{1087}}^1$

素因数の和:1122

約数の個数: 44

約数和(自身を含む): 578204544

約数和(自身を除く): 257273229

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1087, 1215, 2187, 3261, 3645, 5435, 6561, 9783, 10935, 16305, 19683, 29349, 32805, 48915, 59049, 88047, 98415, 146745, 264141, 295245, 440235, 792423, 1320705, 2377269, 3962115, 7131807, 11886345, 21395421, 35659035, 64186263, 106977105, 320931315]

約数ペア:

[(1, 320931315), (3, 106977105), (5, 64186263), (9, 35659035), (15, 21395421), (27, 11886345), (45, 7131807), (81, 3962115), (135, 2377269), (243, 1320705), (405, 792423), (729, 440235), (1087, 295245), (1215, 264141), (2187, 146745), (3261, 98415), (3645, 88047), (5435, 59049), (6561, 48915), (9783, 32805), (10935, 29349), (16305, 19683)]