81405270

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{301501}}^1$

素因数の和:301517

約数の個数: 32

約数和(自身を含む): 217081440

約数和(自身を除く): 135676170

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 301501, 603002, 904503, 1507505, 1809006, 2713509, 3015010, 4522515, 5427018, 8140527, 9045030, 13567545, 16281054, 27135090, 40702635, 81405270]

約数ペア:

[(1, 81405270), (2, 40702635), (3, 27135090), (5, 16281054), (6, 13567545), (9, 9045030), (10, 8140527), (15, 5427018), (18, 4522515), (27, 3015010), (30, 2713509), (45, 1809006), (54, 1507505), (90, 904503), (135, 603002), (270, 301501)]