28786725

素因数分解:

$3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{3877}}^1$

素因数の和:3907

約数の個数: 48

約数和(自身を含む): 57704640

約数和(自身を除く): 28917915

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 45, 55, 75, 99, 135, 165, 225, 275, 297, 495, 675, 825, 1485, 2475, 3877, 7425, 11631, 19385, 34893, 42647, 58155, 96925, 104679, 127941, 174465, 213235, 290775, 383823, 523395, 639705, 872325, 1066175, 1151469, 1919115, 2616975, 3198525, 5757345, 9595575, 28786725]

約数ペア:

[(1, 28786725), (3, 9595575), (5, 5757345), (9, 3198525), (11, 2616975), (15, 1919115), (25, 1151469), (27, 1066175), (33, 872325), (45, 639705), (55, 523395), (75, 383823), (99, 290775), (135, 213235), (165, 174465), (225, 127941), (275, 104679), (297, 96925), (495, 58155), (675, 42647), (825, 34893), (1485, 19385), (2475, 11631), (3877, 7425)]