157723731

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1181}}^1$

素因数の和:1288

約数の個数: 48

約数和(自身を含む): 265524480

約数和(自身を除く): 107800749

約数列:

[1, 3, 9, 11, 19, 33, 57, 71, 99, 171, 209, 213, 627, 639, 781, 1181, 1349, 1881, 2343, 3543, 4047, 7029, 10629, 12141, 12991, 14839, 22439, 38973, 44517, 67317, 83851, 116919, 133551, 201951, 246829, 251553, 740487, 754659, 922361, 1593169, 2221461, 2767083, 4779507, 8301249, 14338521, 17524859, 52574577, 157723731]

約数ペア:

[(1, 157723731), (3, 52574577), (9, 17524859), (11, 14338521), (19, 8301249), (33, 4779507), (57, 2767083), (71, 2221461), (99, 1593169), (171, 922361), (209, 754659), (213, 740487), (627, 251553), (639, 246829), (781, 201951), (1181, 133551), (1349, 116919), (1881, 83851), (2343, 67317), (3543, 44517), (4047, 38973), (7029, 22439), (10629, 14839), (12141, 12991)]