28717875

素因数分解:

$3^3\times 5^3\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:218

約数の個数: 64

約数和(自身を含む): 54312960

約数和(自身を除く): 25595085

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 67, 75, 125, 127, 135, 201, 225, 335, 375, 381, 603, 635, 675, 1005, 1125, 1143, 1675, 1809, 1905, 3015, 3175, 3375, 3429, 5025, 5715, 8375, 8509, 9045, 9525, 15075, 15875, 17145, 25125, 25527, 28575, 42545, 45225, 47625, 75375, 76581, 85725, 127635, 142875, 212725, 226125, 229743, 382905, 428625, 638175, 1063625, 1148715, 1914525, 3190875, 5743575, 9572625, 28717875]

約数ペア:

[(1, 28717875), (3, 9572625), (5, 5743575), (9, 3190875), (15, 1914525), (25, 1148715), (27, 1063625), (45, 638175), (67, 428625), (75, 382905), (125, 229743), (127, 226125), (135, 212725), (201, 142875), (225, 127635), (335, 85725), (375, 76581), (381, 75375), (603, 47625), (635, 45225), (675, 42545), (1005, 28575), (1125, 25527), (1143, 25125), (1675, 17145), (1809, 15875), (1905, 15075), (3015, 9525), (3175, 9045), (3375, 8509), (3429, 8375), (5025, 5715)]