28145025

素因数分解:

$3^2\times 5^2\times {\mathrm{67}}^1\times {\mathrm{1867}}^1$

素因数の和:1950

約数の個数: 36

約数和(自身を含む): 51190672

約数和(自身を除く): 23045647

約数列:

[1, 3, 5, 9, 15, 25, 45, 67, 75, 201, 225, 335, 603, 1005, 1675, 1867, 3015, 5025, 5601, 9335, 15075, 16803, 28005, 46675, 84015, 125089, 140025, 375267, 420075, 625445, 1125801, 1876335, 3127225, 5629005, 9381675, 28145025]

約数ペア:

[(1, 28145025), (3, 9381675), (5, 5629005), (9, 3127225), (15, 1876335), (25, 1125801), (45, 625445), (67, 420075), (75, 375267), (201, 140025), (225, 125089), (335, 84015), (603, 46675), (1005, 28005), (1675, 16803), (1867, 15075), (3015, 9335), (5025, 5601)]