131444019

素因数分解:

$3^3\times 7^2\times {\mathrm{73}}^1\times {\mathrm{1361}}^1$

素因数の和:1457

約数の個数: 48

約数和(自身を含む): 229796640

約数和(自身を除く): 98352621

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 73, 147, 189, 219, 441, 511, 657, 1323, 1361, 1533, 1971, 3577, 4083, 4599, 9527, 10731, 12249, 13797, 28581, 32193, 36747, 66689, 85743, 96579, 99353, 200067, 257229, 298059, 600201, 695471, 894177, 1800603, 2086413, 2682531, 4868297, 6259239, 14604891, 18777717, 43814673, 131444019]

約数ペア:

[(1, 131444019), (3, 43814673), (7, 18777717), (9, 14604891), (21, 6259239), (27, 4868297), (49, 2682531), (63, 2086413), (73, 1800603), (147, 894177), (189, 695471), (219, 600201), (441, 298059), (511, 257229), (657, 200067), (1323, 99353), (1361, 96579), (1533, 85743), (1971, 66689), (3577, 36747), (4083, 32193), (4599, 28581), (9527, 13797), (10731, 12249)]