16205427

素因数分解:

$3^5\times 7^2\times {\mathrm{1361}}^1$

素因数の和:1390

約数の個数: 36

約数和(自身を含む): 28258776

約数和(自身を除く): 12053349

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 441, 567, 1323, 1361, 1701, 3969, 4083, 9527, 11907, 12249, 28581, 36747, 66689, 85743, 110241, 200067, 257229, 330723, 600201, 771687, 1800603, 2315061, 5401809, 16205427]

約数ペア:

[(1, 16205427), (3, 5401809), (7, 2315061), (9, 1800603), (21, 771687), (27, 600201), (49, 330723), (63, 257229), (81, 200067), (147, 110241), (189, 85743), (243, 66689), (441, 36747), (567, 28581), (1323, 12249), (1361, 11907), (1701, 9527), (3969, 4083)]