27728685

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{367}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 50978304

約数和(自身を除く): 23249619

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 73, 115, 207, 219, 345, 365, 367, 657, 1035, 1095, 1101, 1679, 1835, 3285, 3303, 5037, 5505, 8395, 8441, 15111, 16515, 25185, 25323, 26791, 42205, 75555, 75969, 80373, 126615, 133955, 241119, 379845, 401865, 616193, 1205595, 1848579, 3080965, 5545737, 9242895, 27728685]

約数ペア:

[(1, 27728685), (3, 9242895), (5, 5545737), (9, 3080965), (15, 1848579), (23, 1205595), (45, 616193), (69, 401865), (73, 379845), (115, 241119), (207, 133955), (219, 126615), (345, 80373), (365, 75969), (367, 75555), (657, 42205), (1035, 26791), (1095, 25323), (1101, 25185), (1679, 16515), (1835, 15111), (3285, 8441), (3303, 8395), (5037, 5505)]