159913963

素因数分解:

${\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1553}}^1$

素因数の和:1635

約数の個数: 24

約数和(自身を含む): 188493984

約数和(自身を除く): 28580021

約数列:

[1, 11, 23, 37, 121, 253, 407, 851, 1553, 2783, 4477, 9361, 17083, 35719, 57461, 102971, 187913, 392909, 632071, 1321603, 4321999, 6952781, 14537633, 159913963]

約数ペア:

[(1, 159913963), (11, 14537633), (23, 6952781), (37, 4321999), (121, 1321603), (253, 632071), (407, 392909), (851, 187913), (1553, 102971), (2783, 57461), (4477, 35719), (9361, 17083)]