28141425

素因数分解:

$3^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1069}}^1$

素因数の和:1104

約数の個数: 60

約数和(自身を含む): 56189980

約数和(自身を除く): 28048555

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 81, 117, 135, 195, 225, 325, 351, 405, 585, 675, 975, 1053, 1069, 1755, 2025, 2925, 3207, 5265, 5345, 8775, 9621, 13897, 16035, 26325, 26725, 28863, 41691, 48105, 69485, 80175, 86589, 125073, 144315, 208455, 240525, 347425, 375219, 432945, 625365, 721575, 1042275, 1125657, 1876095, 2164725, 3126825, 5628285, 9380475, 28141425]

約数ペア:

[(1, 28141425), (3, 9380475), (5, 5628285), (9, 3126825), (13, 2164725), (15, 1876095), (25, 1125657), (27, 1042275), (39, 721575), (45, 625365), (65, 432945), (75, 375219), (81, 347425), (117, 240525), (135, 208455), (195, 144315), (225, 125073), (325, 86589), (351, 80175), (405, 69485), (585, 48105), (675, 41691), (975, 28863), (1053, 26725), (1069, 26325), (1755, 16035), (2025, 13897), (2925, 9621), (3207, 8775), (5265, 5345)]