28928349

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{157}}^1\times {\mathrm{347}}^1$

素因数の和:569

約数の個数: 24

約数和(自身を含む): 42887520

約数和(自身を除く): 13959171

約数列:

[1, 3, 9, 59, 157, 177, 347, 471, 531, 1041, 1413, 3123, 9263, 20473, 27789, 54479, 61419, 83367, 163437, 184257, 490311, 3214261, 9642783, 28928349]

約数ペア:

[(1, 28928349), (3, 9642783), (9, 3214261), (59, 490311), (157, 184257), (177, 163437), (347, 83367), (471, 61419), (531, 54479), (1041, 27789), (1413, 20473), (3123, 9263)]