28209753

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{953}}^1$

素因数の和:1006

約数の個数: 48

約数和(自身を含む): 50004864

約数和(自身を除く): 21795111

約数列:

[1, 3, 9, 11, 13, 23, 33, 39, 69, 99, 117, 143, 207, 253, 299, 429, 759, 897, 953, 1287, 2277, 2691, 2859, 3289, 8577, 9867, 10483, 12389, 21919, 29601, 31449, 37167, 65757, 94347, 111501, 136279, 197271, 241109, 284947, 408837, 723327, 854841, 1226511, 2169981, 2564523, 3134417, 9403251, 28209753]

約数ペア:

[(1, 28209753), (3, 9403251), (9, 3134417), (11, 2564523), (13, 2169981), (23, 1226511), (33, 854841), (39, 723327), (69, 408837), (99, 284947), (117, 241109), (143, 197271), (207, 136279), (253, 111501), (299, 94347), (429, 65757), (759, 37167), (897, 31449), (953, 29601), (1287, 21919), (2277, 12389), (2691, 10483), (2859, 9867), (3289, 8577)]