28735119

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{2833}}^1$

素因数の和:2876

約数の個数: 36

約数和(自身を含む): 50399856

約数和(自身を除く): 21664737

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 147, 161, 207, 441, 483, 1127, 1449, 2833, 3381, 8499, 10143, 19831, 25497, 59493, 65159, 138817, 178479, 195477, 416451, 456113, 586431, 1249353, 1368339, 3192791, 4105017, 9578373, 28735119]

約数ペア:

[(1, 28735119), (3, 9578373), (7, 4105017), (9, 3192791), (21, 1368339), (23, 1249353), (49, 586431), (63, 456113), (69, 416451), (147, 195477), (161, 178479), (207, 138817), (441, 65159), (483, 59493), (1127, 25497), (1449, 19831), (2833, 10143), (3381, 8499)]