28734981

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:202

約数の個数: 48

約数和(自身を含む): 46683648

約数和(自身を除く): 17948667

約数列:

[1, 3, 11, 17, 23, 33, 51, 69, 131, 187, 253, 289, 391, 393, 561, 759, 867, 1173, 1441, 2227, 3013, 3179, 4301, 4323, 6647, 6681, 9039, 9537, 12903, 19941, 24497, 33143, 37859, 51221, 73117, 73491, 99429, 113577, 153663, 219351, 416449, 563431, 870757, 1249347, 1690293, 2612271, 9578327, 28734981]

約数ペア:

[(1, 28734981), (3, 9578327), (11, 2612271), (17, 1690293), (23, 1249347), (33, 870757), (51, 563431), (69, 416449), (131, 219351), (187, 153663), (253, 113577), (289, 99429), (391, 73491), (393, 73117), (561, 51221), (759, 37859), (867, 33143), (1173, 24497), (1441, 19941), (2227, 12903), (3013, 9537), (3179, 9039), (4301, 6681), (4323, 6647)]