81561276

素因数分解:

$2^2\times 3^3\times {\mathrm{53}}^1\times {\mathrm{14249}}^1$

素因数の和:14315

約数の個数: 48

約数和(自身を含む): 215460000

約数和(自身を除く): 133898724

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 53, 54, 106, 108, 159, 212, 318, 477, 636, 954, 1431, 1908, 2862, 5724, 14249, 28498, 42747, 56996, 85494, 128241, 170988, 256482, 384723, 512964, 755197, 769446, 1510394, 1538892, 2265591, 3020788, 4531182, 6796773, 9062364, 13593546, 20390319, 27187092, 40780638, 81561276]

約数ペア:

[(1, 81561276), (2, 40780638), (3, 27187092), (4, 20390319), (6, 13593546), (9, 9062364), (12, 6796773), (18, 4531182), (27, 3020788), (36, 2265591), (53, 1538892), (54, 1510394), (106, 769446), (108, 755197), (159, 512964), (212, 384723), (318, 256482), (477, 170988), (636, 128241), (954, 85494), (1431, 56996), (1908, 42747), (2862, 28498), (5724, 14249)]