28432125

素因数分解:

$3^2\times 5^3\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:347

約数の個数: 48

約数和(自身を含む): 51916800

約数和(自身を除く): 23484675

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 127, 199, 225, 375, 381, 597, 635, 995, 1125, 1143, 1791, 1905, 2985, 3175, 4975, 5715, 8955, 9525, 14925, 15875, 24875, 25273, 28575, 44775, 47625, 74625, 75819, 126365, 142875, 223875, 227457, 379095, 631825, 1137285, 1895475, 3159125, 5686425, 9477375, 28432125]

約数ペア:

[(1, 28432125), (3, 9477375), (5, 5686425), (9, 3159125), (15, 1895475), (25, 1137285), (45, 631825), (75, 379095), (125, 227457), (127, 223875), (199, 142875), (225, 126365), (375, 75819), (381, 74625), (597, 47625), (635, 44775), (995, 28575), (1125, 25273), (1143, 24875), (1791, 15875), (1905, 14925), (2985, 9525), (3175, 8955), (4975, 5715)]